diff --git a/Database/AthenaPOOL/AthenaPoolExample/AthenaPoolExampleAlgorithms/share/AthenaPoolExample_Concat.ref b/Database/AthenaPOOL/AthenaPoolExample/AthenaPoolExampleAlgorithms/share/AthenaPoolExample_Concat.ref
index 2e91e610786ef6a85272bfcd75f8600c8713dcca..ddee97751d9bed495f8dedbe6c2688dd0c945439 100644
--- a/Database/AthenaPOOL/AthenaPoolExample/AthenaPoolExampleAlgorithms/share/AthenaPoolExample_Concat.ref
+++ b/Database/AthenaPOOL/AthenaPoolExample/AthenaPoolExampleAlgorithms/share/AthenaPoolExample_Concat.ref
@@ -1,17 +1,17 @@
-Fri Sep 11 23:47:28 CEST 20?0
+Tue Oct  6 16:04:23 CEST 20?0
 Preloading tcmalloc_minimal.so
 Athena               INFO including file "AthenaCommon/Preparation.py"
 Athena               INFO including file "AthenaCommon/Atlas.UnixStandardJob.py"
 Athena               INFO executing ROOT6Setup
 Athena               INFO including file "AthenaCommon/Execution.py"
 Athena               INFO including file "AthenaPoolExampleAlgorithms/AthenaPoolExample_ConcatJobOptions.py"
-Py:ConfigurableDb    INFO Read module info for 5568 configurables from 4 genConfDb files
+Py:ConfigurableDb    INFO Read module info for 5569 configurables from 4 genConfDb files
 Py:ConfigurableDb    INFO No duplicates have been found: that's good !
 Athena               INFO including file "AthenaCommon/runbatch.py"
 ApplicationMgr    SUCCESS 
 ====================================================================================================================================
                                                    Welcome to ApplicationMgr (GaudiCoreSvc v34r0)
-                                          running on aibuild028.cern.ch on Fri Sep 11 23:47:40 20?0
+                                          running on 58dd451bc47f on Tue Oct  6 16:04:28 20?0
 ====================================================================================================================================
 ApplicationMgr       INFO Application Manager Configured successfully
 AthDictLoaderSvc     INFO in initialize...
@@ -30,9 +30,10 @@ PoolSvc             DEBUG Service base class initialized successfully
 PoolSvc              INFO io_register[PoolSvc](xmlcatalog_file:Catalog1.xml) [ok]
 PoolSvc              INFO Set connectionsvc retry/timeout/IDLE timeout to  'ConnectionRetrialPeriod':300/ 'ConnectionRetrialTimeOut':3600/ 'ConnectionTimeOut':5 seconds with connection cleanup disabled
 PoolSvc              INFO Frontier compression level set to 5
-DBReplicaSvc         INFO Frontier server at (serverurl=http://atlasfrontier-local.cern.ch:8000/atlr)(serverurl=http://atlasfrontier-ai.cern.ch:8000/atlr)(serverurl=http://ccfrontier.in2p3.fr:23128/ccin2p3-AtlasFrontier)(proxyurl=http://ca-proxy-atlas.cern.ch:3128)(proxyurl=http://ca-proxy-meyrin.cern.ch:3128)(proxyurl=http://ca-proxy.cern.ch:3128)(proxyurl=http://atlasbpfrontier.cern.ch:3127)(proxyurl=http://atlasbpfrontier.fnal.gov:3127) will be considered for COOL data
-DBReplicaSvc         INFO Read replica configuration from /cvmfs/atlas-nightlies.cern.ch/repo/sw/master_Athena_x86_64-centos7-gcc8-opt/20?0-09-10T2101/Athena/22.0.18/InstallArea/x86_64-centos7-gcc8-opt/share/dbreplica.config
-DBReplicaSvc         INFO Total of 10 servers found for host aibuild028.cern.ch [ATLF ATLAS_COOLPROD atlas_dd ATLAS_CONFIG INT8R INTR ATONR_COOL ATONR_CONF DEVDB11 ATLF ]
+DBReplicaSvc         INFO Frontier server at (serverurl=http://atlasfrontier-ai.cern.ch:8000/atlr)(serverurl=http://frontier-atlas.lcg.triumf.ca:3128/ATLAS_frontier)(serverurl=http://ccfrontier.in2p3.fr:23128/ccin2p3-AtlasFrontier)(proxyurl=http://atlasbpfrontier.cern.ch:3127)(proxyurl=http://atlasbpfrontier.fnal.gov:3127) will be considered for COOL data
+DBReplicaSvc         INFO Read replica configuration from /cvmfs/atlas-nightlies.cern.ch/repo/sw/master_Athena_x86_64-centos7-gcc8-opt/20?0-10-05T2101/Athena/22.0.19/InstallArea/x86_64-centos7-gcc8-opt/share/dbreplica.config
+DBReplicaSvc         INFO No specific match for domain found - use default fallback
+DBReplicaSvc         INFO Total of 2 servers found for host 58dd451bc47f [ATLF atlas_dd ]
 PoolSvc              INFO Successfully setup replica sorting algorithm
 PoolSvc             DEBUG OutputLevel is 2
 PoolSvc              INFO Setting up APR FileCatalog and Streams
@@ -74,9 +75,11 @@ Stream1.Stream1...  DEBUG Property update for OutputLevel : new value = 2
 Stream1.Stream1...   INFO Initializing Stream1.Stream1Tool - package version AthenaServices-00-00-00
 Stream1.Stream1...  DEBUG Property update for OutputLevel : new value = 2
 Stream1.Stream1...   INFO Initializing Stream1.Stream1_MakeEventStreamInfo - package version OutputStreamAthenaPool-00-00-00
+Stream1.Stream1...  DEBUG Property update for OutputLevel : new value = 2
 Stream1.Thinnin...  DEBUG Property update for OutputLevel : new value = 2
-Stream1              INFO Found HelperTools = PrivateToolHandleArray(['MakeEventStreamInfo/Stream1_MakeEventStreamInfo','Athena::ThinningCacheTool/ThinningCacheTool_Stream1'])
+Stream1              INFO Found HelperTools = PrivateToolHandleArray(['MakeEventStreamInfo/Stream1_MakeEventStreamInfo','xAODMaker::EventFormatStreamHelperTool/Stream1_MakeEventFormat','Athena::ThinningCacheTool/ThinningCacheTool_Stream1'])
 Stream1              INFO Data output: SimplePoolFile1.root
+ClassIDSvc           INFO  getRegistryEntries: read 171 CLIDRegistry entries for module ALL
 Stream1              INFO I/O reinitialization...
 Stream1.Stream1...  DEBUG Property update for OutputLevel : new value = 2
 Stream1             DEBUG End initialize
@@ -84,6 +87,7 @@ Stream1             DEBUG input handles: 0
 Stream1             DEBUG output handles: 2
 Stream1             DEBUG Registering all Tools in ToolHandleArray HelperTools
 Stream1             DEBUG Adding private ToolHandle tool Stream1.Stream1_MakeEventStreamInfo (MakeEventStreamInfo)
+Stream1             DEBUG Adding private ToolHandle tool Stream1.Stream1_MakeEventFormat (xAODMaker::EventFormatStreamHelperTool)
 Stream1             DEBUG Adding private ToolHandle tool Stream1.ThinningCacheTool_Stream1 (Athena::ThinningCacheTool)
 Stream1             DEBUG Adding private ToolHandle tool Stream1.Stream1Tool (AthenaOutputStreamTool)
 Stream1             DEBUG Data Deps for Stream1
@@ -109,8 +113,9 @@ Stream2.Stream2...  DEBUG Property update for OutputLevel : new value = 2
 Stream2.Stream2...   INFO Initializing Stream2.Stream2Tool - package version AthenaServices-00-00-00
 Stream2.Stream2...  DEBUG Property update for OutputLevel : new value = 2
 Stream2.Stream2...   INFO Initializing Stream2.Stream2_MakeEventStreamInfo - package version OutputStreamAthenaPool-00-00-00
+Stream2.Stream2...  DEBUG Property update for OutputLevel : new value = 2
 Stream2.Thinnin...  DEBUG Property update for OutputLevel : new value = 2
-Stream2              INFO Found HelperTools = PrivateToolHandleArray(['MakeEventStreamInfo/Stream2_MakeEventStreamInfo','Athena::ThinningCacheTool/ThinningCacheTool_Stream2'])
+Stream2              INFO Found HelperTools = PrivateToolHandleArray(['MakeEventStreamInfo/Stream2_MakeEventStreamInfo','xAODMaker::EventFormatStreamHelperTool/Stream2_MakeEventFormat','Athena::ThinningCacheTool/ThinningCacheTool_Stream2'])
 Stream2              INFO Data output: SimplePoolFile3.root
 Stream2              INFO I/O reinitialization...
 Stream2.Stream2...  DEBUG Property update for OutputLevel : new value = 2
@@ -119,6 +124,7 @@ Stream2             DEBUG input handles: 0
 Stream2             DEBUG output handles: 2
 Stream2             DEBUG Registering all Tools in ToolHandleArray HelperTools
 Stream2             DEBUG Adding private ToolHandle tool Stream2.Stream2_MakeEventStreamInfo (MakeEventStreamInfo)
+Stream2             DEBUG Adding private ToolHandle tool Stream2.Stream2_MakeEventFormat (xAODMaker::EventFormatStreamHelperTool)
 Stream2             DEBUG Adding private ToolHandle tool Stream2.ThinningCacheTool_Stream2 (Athena::ThinningCacheTool)
 Stream2             DEBUG Adding private ToolHandle tool Stream2.Stream2Tool (AthenaOutputStreamTool)
 Stream2             DEBUG Data Deps for Stream2
@@ -1602,12 +1608,17 @@ AthenaEventLoopMgr   INFO   ===>>>  done processing event #19, run #1 20 events
 Stream1             DEBUG AthenaOutputStream Stream1 ::stop()
 Stream2             DEBUG AthenaOutputStream Stream2 ::stop()
 Stream1             DEBUG slot 0  handle() incident type: MetaDataStop
-Stream1             DEBUG metadataItemList: [EventStreamInfo#Stream1, IOVMetaDataContainer#*]
+Stream1             DEBUG metadataItemList: [EventStreamInfo#Stream1, IOVMetaDataContainer#*, xAOD::EventFormat#EventFormatStream1]
 Stream1             DEBUG addItemObjects(167728019,"Stream1") called
 Stream1             DEBUG            Key:Stream1
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
 Stream1             DEBUG  Added object 167728019,"Stream1"
+Stream1             DEBUG addItemObjects(243004407,"EventFormatStream1") called
+Stream1             DEBUG            Key:EventFormatStream1
+Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
+Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+Stream1             DEBUG  Added object 243004407,"EventFormatStream1"
 Stream1             DEBUG addItemObjects(1316383046,"*") called
 Stream1             DEBUG            Key:*
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
@@ -1625,30 +1636,47 @@ SimplePoolFile1...  DEBUG ---->ClassID:????
 SimplePoolFile1...  DEBUG --->Adding Shape[9 , ????]:  [1 Column(s)] 
 SimplePoolFile1...  DEBUG ---->Class:EventStreamInfo_p3
 SimplePoolFile1...  DEBUG ---->[0]:EventStreamInfo_p3 Typ:EventStreamInfo_p3 [21] Size:0 Offset:0 #Elements:1
+StorageSvc           INFO Building shape according to reflection information using shape ID for:
+StorageSvc           INFO xAOD::EventFormat_v1 [????]
+SimplePoolFile1...  DEBUG --> Access   DbContainer  CREA/UPDA [ROOT_Tree] MetaData(xAOD::EventFormat_v1/EventFormatStream1)
+MetaData(xAOD::...  DEBUG Opening
+MetaData(xAOD::...  DEBUG    attributes# = 1
+MetaData(xAOD::...  DEBUG Branch container 'xAOD::EventFormat_v1_EventFormatStream1'
+MetaData(xAOD::...  DEBUG Opened container MetaData(xAOD::EventFormat_v1/EventFormatStream1) of type ROOT_Tree
+SimplePoolFile1...  DEBUG --->Adding Assoc :????/MetaData(xAOD::EventFormat_v1/EventFormatStream1) [20?]  (15 , ffffffff)
+SimplePoolFile1...  DEBUG ---->ClassID:????
+SimplePoolFile1...  DEBUG --->Adding Shape[10 , ????]:  [1 Column(s)] 
+SimplePoolFile1...  DEBUG ---->Class:xAOD::EventFormat_v1
+SimplePoolFile1...  DEBUG ---->[0]:xAOD::EventFormat_v1 Typ:xAOD::EventFormat_v1 [21] Size:0 Offset:0 #Elements:1
 SimplePoolFile1...  DEBUG --> Access   DbContainer  CREA/UPDA [ROOT_Tree] MetaDataHdr(DataHeader)
 MetaDataHdr(Dat...  DEBUG Opening
 MetaDataHdr(Dat...  DEBUG    attributes# = 1
 MetaDataHdr(Dat...  DEBUG Branch container 'DataHeader'
 MetaDataHdr(Dat...  DEBUG Opened container MetaDataHdr(DataHeader) of type ROOT_Tree
-SimplePoolFile1...  DEBUG --->Adding Assoc :????/MetaDataHdr(DataHeader) [20?]  (15 , ffffffff)
+SimplePoolFile1...  DEBUG --->Adding Assoc :????/MetaDataHdr(DataHeader) [20?]  (16 , ffffffff)
 SimplePoolFile1...  DEBUG ---->ClassID:????
 SimplePoolFile1...  DEBUG --> Access   DbContainer  CREA/UPDA [ROOT_Tree] MetaDataHdrForm(DataHeaderForm)
 MetaDataHdrForm...  DEBUG Opening
 MetaDataHdrForm...  DEBUG    attributes# = 1
 MetaDataHdrForm...  DEBUG Branch container 'DataHeaderForm'
 MetaDataHdrForm...  DEBUG Opened container MetaDataHdrForm(DataHeaderForm) of type ROOT_Tree
-SimplePoolFile1...  DEBUG --->Adding Assoc :????/MetaDataHdrForm(DataHeaderForm) [20?]  (16 , ffffffff)
+SimplePoolFile1...  DEBUG --->Adding Assoc :????/MetaDataHdrForm(DataHeaderForm) [20?]  (17 , ffffffff)
 SimplePoolFile1...  DEBUG ---->ClassID:????
-ClassIDSvc           INFO  getRegistryEntries: read 7 CLIDRegistry entries for module ALL
+ClassIDSvc           INFO  getRegistryEntries: read 14 CLIDRegistry entries for module ALL
 Stream1              INFO Metadata records written: 21
 Stream1             DEBUG Leaving incident handler for MetaDataStop
 Stream2             DEBUG slot 0  handle() incident type: MetaDataStop
-Stream2             DEBUG metadataItemList: [EventStreamInfo#Stream2, IOVMetaDataContainer#*]
+Stream2             DEBUG metadataItemList: [EventStreamInfo#Stream2, IOVMetaDataContainer#*, xAOD::EventFormat#EventFormatStream2]
 Stream2             DEBUG addItemObjects(167728019,"Stream2") called
 Stream2             DEBUG            Key:Stream2
 Stream2             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream2             DEBUG      Comp Attr 0 with 15 mantissa bits.
 Stream2             DEBUG  Added object 167728019,"Stream2"
+Stream2             DEBUG addItemObjects(243004407,"EventFormatStream2") called
+Stream2             DEBUG            Key:EventFormatStream2
+Stream2             DEBUG      Comp Attr 0 with 7 mantissa bits.
+Stream2             DEBUG      Comp Attr 0 with 15 mantissa bits.
+Stream2             DEBUG  Added object 243004407,"EventFormatStream2"
 Stream2             DEBUG addItemObjects(1316383046,"*") called
 Stream2             DEBUG            Key:*
 Stream2             DEBUG      Comp Attr 0 with 7 mantissa bits.
@@ -1664,19 +1692,29 @@ SimplePoolFile3...  DEBUG ---->ClassID:????
 SimplePoolFile3...  DEBUG --->Adding Shape[4 , ????]:  [1 Column(s)] 
 SimplePoolFile3...  DEBUG ---->Class:EventStreamInfo_p3
 SimplePoolFile3...  DEBUG ---->[0]:EventStreamInfo_p3 Typ:EventStreamInfo_p3 [21] Size:0 Offset:0 #Elements:1
+SimplePoolFile3...  DEBUG --> Access   DbContainer  CREA/UPDA [ROOT_Tree] MetaData(xAOD::EventFormat_v1/EventFormatStream2)
+MetaData(xAOD::...  DEBUG Opening
+MetaData(xAOD::...  DEBUG    attributes# = 1
+MetaData(xAOD::...  DEBUG Branch container 'xAOD::EventFormat_v1_EventFormatStream2'
+MetaData(xAOD::...  DEBUG Opened container MetaData(xAOD::EventFormat_v1/EventFormatStream2) of type ROOT_Tree
+SimplePoolFile3...  DEBUG --->Adding Assoc :????/MetaData(xAOD::EventFormat_v1/EventFormatStream2) [20?]  (8 , ffffffff)
+SimplePoolFile3...  DEBUG ---->ClassID:????
+SimplePoolFile3...  DEBUG --->Adding Shape[5 , ????]:  [1 Column(s)] 
+SimplePoolFile3...  DEBUG ---->Class:xAOD::EventFormat_v1
+SimplePoolFile3...  DEBUG ---->[0]:xAOD::EventFormat_v1 Typ:xAOD::EventFormat_v1 [21] Size:0 Offset:0 #Elements:1
 SimplePoolFile3...  DEBUG --> Access   DbContainer  CREA/UPDA [ROOT_Tree] MetaDataHdr(DataHeader)
 MetaDataHdr(Dat...  DEBUG Opening
 MetaDataHdr(Dat...  DEBUG    attributes# = 1
 MetaDataHdr(Dat...  DEBUG Branch container 'DataHeader'
 MetaDataHdr(Dat...  DEBUG Opened container MetaDataHdr(DataHeader) of type ROOT_Tree
-SimplePoolFile3...  DEBUG --->Adding Assoc :????/MetaDataHdr(DataHeader) [20?]  (8 , ffffffff)
+SimplePoolFile3...  DEBUG --->Adding Assoc :????/MetaDataHdr(DataHeader) [20?]  (9 , ffffffff)
 SimplePoolFile3...  DEBUG ---->ClassID:????
 SimplePoolFile3...  DEBUG --> Access   DbContainer  CREA/UPDA [ROOT_Tree] MetaDataHdrForm(DataHeaderForm)
 MetaDataHdrForm...  DEBUG Opening
 MetaDataHdrForm...  DEBUG    attributes# = 1
 MetaDataHdrForm...  DEBUG Branch container 'DataHeaderForm'
 MetaDataHdrForm...  DEBUG Opened container MetaDataHdrForm(DataHeaderForm) of type ROOT_Tree
-SimplePoolFile3...  DEBUG --->Adding Assoc :????/MetaDataHdrForm(DataHeaderForm) [20?]  (9 , ffffffff)
+SimplePoolFile3...  DEBUG --->Adding Assoc :????/MetaDataHdrForm(DataHeaderForm) [20?]  (a , ffffffff)
 SimplePoolFile3...  DEBUG ---->ClassID:????
 Stream2              INFO Metadata records written: 21
 Stream2             DEBUG Leaving incident handler for MetaDataStop
@@ -1704,10 +1742,10 @@ ToolSvc              INFO Removing all tools created by ToolSvc
 *****Chrono*****     INFO  The Final CPU consumption ( Chrono ) Table (ordered)
 *****Chrono*****     INFO ****************************************************************************************************
 commitOutput         INFO Time User   : Tot=    0 [us] Ave/Min/Max=       0(+-       0)/       0/       0 [us] #= 42
-cRep_ALL             INFO Time User   : Tot=   30 [ms] Ave/Min/Max=   0.242(+-    1.54)/       0/      10 [ms] #=124
-cRepR_ALL            INFO Time User   : Tot=   50 [ms] Ave/Min/Max=   0.128(+-    1.12)/       0/      10 [ms] #=390
-fRep_ALL             INFO Time User   : Tot=   80 [ms] Ave/Min/Max=   0.645(+-    2.46)/       0/      10 [ms] #=124
-ChronoStatSvc        INFO Time User   : Tot=  370 [ms]  #=  1
+cRep_ALL             INFO Time User   : Tot=   30 [ms] Ave/Min/Max=   0.238(+-    1.52)/       0/      10 [ms] #=126
+cRepR_ALL            INFO Time User   : Tot=   30 [ms] Ave/Min/Max=  0.0765(+-   0.871)/       0/      10 [ms] #=392
+fRep_ALL             INFO Time User   : Tot=   30 [ms] Ave/Min/Max=   0.238(+-    1.52)/       0/      10 [ms] #=126
+ChronoStatSvc        INFO Time User   : Tot=  210 [ms]  #=  1
 *****Chrono*****     INFO ****************************************************************************************************
 ChronoStatSvc.f...   INFO  Service finalized successfully 
 ApplicationMgr       INFO Application Manager Finalized successfully
diff --git a/Database/AthenaPOOL/AthenaPoolExample/AthenaPoolExampleAlgorithms/share/AthenaPoolExample_Copy.ref b/Database/AthenaPOOL/AthenaPoolExample/AthenaPoolExampleAlgorithms/share/AthenaPoolExample_Copy.ref
index 1f1e7202e3df5952082627e711c6fc6783ccb914..ca92aa4462ba819fa8077616ac51ec065b3183a1 100644
--- a/Database/AthenaPOOL/AthenaPoolExample/AthenaPoolExampleAlgorithms/share/AthenaPoolExample_Copy.ref
+++ b/Database/AthenaPOOL/AthenaPoolExample/AthenaPoolExampleAlgorithms/share/AthenaPoolExample_Copy.ref
@@ -1,17 +1,17 @@
-Fri Sep 11 23:46:29 CEST 20?0
+Tue Oct  6 16:03:57 CEST 20?0
 Preloading tcmalloc_minimal.so
 Athena               INFO including file "AthenaCommon/Preparation.py"
 Athena               INFO including file "AthenaCommon/Atlas.UnixStandardJob.py"
 Athena               INFO executing ROOT6Setup
 Athena               INFO including file "AthenaCommon/Execution.py"
 Athena               INFO including file "AthenaPoolExampleAlgorithms/AthenaPoolExample_CopyJobOptions.py"
-Py:ConfigurableDb    INFO Read module info for 5568 configurables from 4 genConfDb files
+Py:ConfigurableDb    INFO Read module info for 5569 configurables from 4 genConfDb files
 Py:ConfigurableDb    INFO No duplicates have been found: that's good !
 Athena               INFO including file "AthenaCommon/runbatch.py"
 ApplicationMgr    SUCCESS 
 ====================================================================================================================================
                                                    Welcome to ApplicationMgr (GaudiCoreSvc v34r0)
-                                          running on aibuild028.cern.ch on Fri Sep 11 23:46:41 20?0
+                                          running on 58dd451bc47f on Tue Oct  6 16:04:02 20?0
 ====================================================================================================================================
 ApplicationMgr       INFO Application Manager Configured successfully
 AthDictLoaderSvc     INFO in initialize...
@@ -29,9 +29,10 @@ PoolSvc             DEBUG Service base class initialized successfully
 PoolSvc              INFO io_register[PoolSvc](xmlcatalog_file:Catalog1.xml) [ok]
 PoolSvc              INFO Set connectionsvc retry/timeout/IDLE timeout to  'ConnectionRetrialPeriod':300/ 'ConnectionRetrialTimeOut':3600/ 'ConnectionTimeOut':5 seconds with connection cleanup disabled
 PoolSvc              INFO Frontier compression level set to 5
-DBReplicaSvc         INFO Frontier server at (serverurl=http://atlasfrontier-local.cern.ch:8000/atlr)(serverurl=http://atlasfrontier-ai.cern.ch:8000/atlr)(serverurl=http://ccfrontier.in2p3.fr:23128/ccin2p3-AtlasFrontier)(proxyurl=http://ca-proxy-atlas.cern.ch:3128)(proxyurl=http://ca-proxy-meyrin.cern.ch:3128)(proxyurl=http://ca-proxy.cern.ch:3128)(proxyurl=http://atlasbpfrontier.cern.ch:3127)(proxyurl=http://atlasbpfrontier.fnal.gov:3127) will be considered for COOL data
-DBReplicaSvc         INFO Read replica configuration from /cvmfs/atlas-nightlies.cern.ch/repo/sw/master_Athena_x86_64-centos7-gcc8-opt/20?0-09-10T2101/Athena/22.0.18/InstallArea/x86_64-centos7-gcc8-opt/share/dbreplica.config
-DBReplicaSvc         INFO Total of 10 servers found for host aibuild028.cern.ch [ATLF ATLAS_COOLPROD atlas_dd ATLAS_CONFIG INT8R INTR ATONR_COOL ATONR_CONF DEVDB11 ATLF ]
+DBReplicaSvc         INFO Frontier server at (serverurl=http://atlasfrontier-ai.cern.ch:8000/atlr)(serverurl=http://frontier-atlas.lcg.triumf.ca:3128/ATLAS_frontier)(serverurl=http://ccfrontier.in2p3.fr:23128/ccin2p3-AtlasFrontier)(proxyurl=http://atlasbpfrontier.cern.ch:3127)(proxyurl=http://atlasbpfrontier.fnal.gov:3127) will be considered for COOL data
+DBReplicaSvc         INFO Read replica configuration from /cvmfs/atlas-nightlies.cern.ch/repo/sw/master_Athena_x86_64-centos7-gcc8-opt/20?0-10-05T2101/Athena/22.0.19/InstallArea/x86_64-centos7-gcc8-opt/share/dbreplica.config
+DBReplicaSvc         INFO No specific match for domain found - use default fallback
+DBReplicaSvc         INFO Total of 2 servers found for host 58dd451bc47f [ATLF atlas_dd ]
 PoolSvc              INFO Successfully setup replica sorting algorithm
 PoolSvc             DEBUG OutputLevel is 2
 PoolSvc              INFO Setting up APR FileCatalog and Streams
@@ -65,7 +66,9 @@ SimplePoolFile1...  DEBUG --->Reading Shape[5 , ????]: [1 Column(s)]
 SimplePoolFile1...  DEBUG ---->[0]:unsigned int Typ:unsigned int [3] Size:0 Offset:0 #Elements:1
 SimplePoolFile1...  DEBUG --->Reading Shape[6 , ????]: [1 Column(s)]
 SimplePoolFile1...  DEBUG ---->[0]:EventStreamInfo_p3 Typ:EventStreamInfo_p3 [21] Size:0 Offset:0 #Elements:1
-##Shapes            DEBUG No objects passing selection criteria... Container has 7 Entries in total.
+SimplePoolFile1...  DEBUG --->Reading Shape[7 , ????]: [1 Column(s)]
+SimplePoolFile1...  DEBUG ---->[0]:xAOD::EventFormat_v1 Typ:xAOD::EventFormat_v1 [21] Size:0 Offset:0 #Elements:1
+##Shapes            DEBUG No objects passing selection criteria... Container has 8 Entries in total.
 SimplePoolFile1...  DEBUG --> Access   DbContainer  READ      [ROOT_All] ##Links
 ##Links             DEBUG Opening
 ##Links             DEBUG    attributes# = 1
@@ -90,11 +93,13 @@ SimplePoolFile1...  DEBUG --->Reading Assoc:????/POOLCollectionTree(MagicNumber)
 SimplePoolFile1...  DEBUG ---->ClassID:????
 SimplePoolFile1...  DEBUG --->Reading Assoc:????/MetaData(EventStreamInfo_p3/Stream1) [20?]  (b , ffffffff)
 SimplePoolFile1...  DEBUG ---->ClassID:????
-SimplePoolFile1...  DEBUG --->Reading Assoc:????/MetaDataHdr(DataHeader) [20?]  (c , ffffffff)
+SimplePoolFile1...  DEBUG --->Reading Assoc:????/MetaData(xAOD::EventFormat_v1/EventFormatStream1) [20?]  (c , ffffffff)
 SimplePoolFile1...  DEBUG ---->ClassID:????
-SimplePoolFile1...  DEBUG --->Reading Assoc:????/MetaDataHdrForm(DataHeaderForm) [20?]  (d , ffffffff)
+SimplePoolFile1...  DEBUG --->Reading Assoc:????/MetaDataHdr(DataHeader) [20?]  (d , ffffffff)
 SimplePoolFile1...  DEBUG ---->ClassID:????
-##Links             DEBUG No objects passing selection criteria... Container has 12 Entries in total.
+SimplePoolFile1...  DEBUG --->Reading Assoc:????/MetaDataHdrForm(DataHeaderForm) [20?]  (e , ffffffff)
+SimplePoolFile1...  DEBUG ---->ClassID:????
+##Links             DEBUG No objects passing selection criteria... Container has 13 Entries in total.
 SimplePoolFile1...  DEBUG --> Access   DbContainer  READ      [ROOT_All] ##Params
 ##Params            DEBUG Opening
 ##Params            DEBUG    attributes# = 1
@@ -139,9 +144,11 @@ Stream1.Stream1...  DEBUG Property update for OutputLevel : new value = 2
 Stream1.Stream1...   INFO Initializing Stream1.Stream1Tool - package version AthenaServices-00-00-00
 Stream1.Stream1...  DEBUG Property update for OutputLevel : new value = 2
 Stream1.Stream1...   INFO Initializing Stream1.Stream1_MakeEventStreamInfo - package version OutputStreamAthenaPool-00-00-00
+Stream1.Stream1...  DEBUG Property update for OutputLevel : new value = 2
 Stream1.Thinnin...  DEBUG Property update for OutputLevel : new value = 2
-Stream1              INFO Found HelperTools = PrivateToolHandleArray(['MakeEventStreamInfo/Stream1_MakeEventStreamInfo','Athena::ThinningCacheTool/ThinningCacheTool_Stream1'])
+Stream1              INFO Found HelperTools = PrivateToolHandleArray(['MakeEventStreamInfo/Stream1_MakeEventStreamInfo','xAODMaker::EventFormatStreamHelperTool/Stream1_MakeEventFormat','Athena::ThinningCacheTool/ThinningCacheTool_Stream1'])
 Stream1              INFO Data output: SimplePoolReplica1.root
+ClassIDSvc           INFO  getRegistryEntries: read 171 CLIDRegistry entries for module ALL
 Stream1              INFO I/O reinitialization...
 Stream1.Stream1...  DEBUG Property update for OutputLevel : new value = 2
 Stream1             DEBUG End initialize
@@ -149,6 +156,7 @@ Stream1             DEBUG input handles: 0
 Stream1             DEBUG output handles: 2
 Stream1             DEBUG Registering all Tools in ToolHandleArray HelperTools
 Stream1             DEBUG Adding private ToolHandle tool Stream1.Stream1_MakeEventStreamInfo (MakeEventStreamInfo)
+Stream1             DEBUG Adding private ToolHandle tool Stream1.Stream1_MakeEventFormat (xAODMaker::EventFormatStreamHelperTool)
 Stream1             DEBUG Adding private ToolHandle tool Stream1.ThinningCacheTool_Stream1 (Athena::ThinningCacheTool)
 Stream1             DEBUG Adding private ToolHandle tool Stream1.Stream1Tool (AthenaOutputStreamTool)
 Stream1             DEBUG Data Deps for Stream1
@@ -858,12 +866,17 @@ Domain[ROOT_All]     INFO >   Deaccess DbDomain     READ      [ROOT_All]
 AthenaEventLoopMgr   INFO No more events in event selection 
 Stream1             DEBUG AthenaOutputStream Stream1 ::stop()
 Stream1             DEBUG slot 0  handle() incident type: MetaDataStop
-Stream1             DEBUG metadataItemList: [EventStreamInfo#Stream1, IOVMetaDataContainer#*]
+Stream1             DEBUG metadataItemList: [EventStreamInfo#Stream1, IOVMetaDataContainer#*, xAOD::EventFormat#EventFormatStream1]
 Stream1             DEBUG addItemObjects(167728019,"Stream1") called
 Stream1             DEBUG            Key:Stream1
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
 Stream1             DEBUG  Added object 167728019,"Stream1"
+Stream1             DEBUG addItemObjects(243004407,"EventFormatStream1") called
+Stream1             DEBUG            Key:EventFormatStream1
+Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
+Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+Stream1             DEBUG  Added object 243004407,"EventFormatStream1"
 Stream1             DEBUG addItemObjects(1316383046,"*") called
 Stream1             DEBUG            Key:*
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
@@ -881,20 +894,33 @@ SimplePoolRepli...  DEBUG ---->ClassID:????
 SimplePoolRepli...  DEBUG --->Adding Shape[9 , ????]:  [1 Column(s)] 
 SimplePoolRepli...  DEBUG ---->Class:EventStreamInfo_p3
 SimplePoolRepli...  DEBUG ---->[0]:EventStreamInfo_p3 Typ:EventStreamInfo_p3 [21] Size:0 Offset:0 #Elements:1
+StorageSvc           INFO Building shape according to reflection information using shape ID for:
+StorageSvc           INFO xAOD::EventFormat_v1 [????]
+SimplePoolRepli...  DEBUG --> Access   DbContainer  CREA/UPDA [ROOT_Tree] MetaData(xAOD::EventFormat_v1/EventFormatStream1)
+MetaData(xAOD::...  DEBUG Opening
+MetaData(xAOD::...  DEBUG    attributes# = 1
+MetaData(xAOD::...  DEBUG Branch container 'xAOD::EventFormat_v1_EventFormatStream1'
+MetaData(xAOD::...  DEBUG Opened container MetaData(xAOD::EventFormat_v1/EventFormatStream1) of type ROOT_Tree
+SimplePoolRepli...  DEBUG --->Adding Assoc :????/MetaData(xAOD::EventFormat_v1/EventFormatStream1) [20?]  (15 , ffffffff)
+SimplePoolRepli...  DEBUG ---->ClassID:????
+SimplePoolRepli...  DEBUG --->Adding Shape[10 , ????]:  [1 Column(s)] 
+SimplePoolRepli...  DEBUG ---->Class:xAOD::EventFormat_v1
+SimplePoolRepli...  DEBUG ---->[0]:xAOD::EventFormat_v1 Typ:xAOD::EventFormat_v1 [21] Size:0 Offset:0 #Elements:1
 SimplePoolRepli...  DEBUG --> Access   DbContainer  CREA/UPDA [ROOT_Tree] MetaDataHdr(DataHeader)
 MetaDataHdr(Dat...  DEBUG Opening
 MetaDataHdr(Dat...  DEBUG    attributes# = 1
 MetaDataHdr(Dat...  DEBUG Branch container 'DataHeader'
 MetaDataHdr(Dat...  DEBUG Opened container MetaDataHdr(DataHeader) of type ROOT_Tree
-SimplePoolRepli...  DEBUG --->Adding Assoc :????/MetaDataHdr(DataHeader) [20?]  (15 , ffffffff)
+SimplePoolRepli...  DEBUG --->Adding Assoc :????/MetaDataHdr(DataHeader) [20?]  (16 , ffffffff)
 SimplePoolRepli...  DEBUG ---->ClassID:????
 SimplePoolRepli...  DEBUG --> Access   DbContainer  CREA/UPDA [ROOT_Tree] MetaDataHdrForm(DataHeaderForm)
 MetaDataHdrForm...  DEBUG Opening
 MetaDataHdrForm...  DEBUG    attributes# = 1
 MetaDataHdrForm...  DEBUG Branch container 'DataHeaderForm'
 MetaDataHdrForm...  DEBUG Opened container MetaDataHdrForm(DataHeaderForm) of type ROOT_Tree
-SimplePoolRepli...  DEBUG --->Adding Assoc :????/MetaDataHdrForm(DataHeaderForm) [20?]  (16 , ffffffff)
+SimplePoolRepli...  DEBUG --->Adding Assoc :????/MetaDataHdrForm(DataHeaderForm) [20?]  (17 , ffffffff)
 SimplePoolRepli...  DEBUG ---->ClassID:????
+ClassIDSvc           INFO  getRegistryEntries: read 7 CLIDRegistry entries for module ALL
 Stream1              INFO Metadata records written: 21
 Stream1             DEBUG Leaving incident handler for MetaDataStop
 Domain[ROOT_All]     INFO ->  Deaccess DbDatabase   CREATE    [ROOT_All] ????
@@ -911,12 +937,12 @@ ToolSvc              INFO Removing all tools created by ToolSvc
 *****Chrono*****     INFO  The Final CPU consumption ( Chrono ) Table (ordered)
 *****Chrono*****     INFO ****************************************************************************************************
 commitOutput         INFO Time User   : Tot=    0 [us] Ave/Min/Max=       0(+-       0)/       0/       0 [us] #= 21
-cRep_ALL             INFO Time User   : Tot=    0 [us] Ave/Min/Max=       0(+-       0)/       0/       0 [us] #= 62
+cObj_ALL             INFO Time User   : Tot=    0 [us] Ave/Min/Max=       0(+-       0)/       0/       0 [us] #= 62
+cRep_ALL             INFO Time User   : Tot=    0 [us] Ave/Min/Max=       0(+-       0)/       0/       0 [us] #= 63
 cObjR_ALL            INFO Time User   : Tot=    0 [us] Ave/Min/Max=       0(+-       0)/       0/       0 [us] #= 65
-cRepR_ALL            INFO Time User   : Tot=   20 [ms] Ave/Min/Max=  0.0617(+-   0.783)/       0/      10 [ms] #=324
-cObj_ALL             INFO Time User   : Tot=   30 [ms] Ave/Min/Max=   0.484(+-     2.8)/       0/      20 [ms] #= 62
-fRep_ALL             INFO Time User   : Tot=   40 [ms] Ave/Min/Max=   0.645(+-    3.04)/       0/      20 [ms] #= 62
-ChronoStatSvc        INFO Time User   : Tot=  430 [ms]  #=  1
+cRepR_ALL            INFO Time User   : Tot=   10 [ms] Ave/Min/Max=  0.0308(+-   0.554)/       0/      10 [ms] #=325
+fRep_ALL             INFO Time User   : Tot=   20 [ms] Ave/Min/Max=   0.317(+-    1.75)/       0/      10 [ms] #= 63
+ChronoStatSvc        INFO Time User   : Tot=  210 [ms]  #=  1
 *****Chrono*****     INFO ****************************************************************************************************
 ChronoStatSvc.f...   INFO  Service finalized successfully 
 ApplicationMgr       INFO Application Manager Finalized successfully
diff --git a/Database/AthenaPOOL/AthenaPoolExample/AthenaPoolExampleAlgorithms/share/AthenaPoolExample_RCond.ref b/Database/AthenaPOOL/AthenaPoolExample/AthenaPoolExampleAlgorithms/share/AthenaPoolExample_RCond.ref
index 9c9e89381bdae68b6d8a7871cc6b34815de7e310..39dc8733fe7c62e4e81216f2dd18e9b5a88e9c88 100644
--- a/Database/AthenaPOOL/AthenaPoolExample/AthenaPoolExampleAlgorithms/share/AthenaPoolExample_RCond.ref
+++ b/Database/AthenaPOOL/AthenaPoolExample/AthenaPoolExampleAlgorithms/share/AthenaPoolExample_RCond.ref
@@ -1,28 +1,24 @@
-Sat Nov  2 01:41:28 CET 2019
+Tue Oct  6 16:04:43 CEST 20?0
 Preloading tcmalloc_minimal.so
 Athena               INFO including file "AthenaCommon/Preparation.py"
 Athena               INFO including file "AthenaCommon/Atlas.UnixStandardJob.py"
 Athena               INFO executing ROOT6Setup
 Athena               INFO including file "AthenaCommon/Execution.py"
 Athena               INFO including file "AthenaPoolExampleAlgorithms/AthenaPoolExample_RCondJobOptions.py"
-Py:ConfigurableDb    INFO Read module info for 5598 configurables from 9 genConfDb files
+Py:ConfigurableDb    INFO Read module info for 5569 configurables from 4 genConfDb files
 Py:ConfigurableDb    INFO No duplicates have been found: that's good !
 Athena               INFO including file "AthenaCommon/runbatch.py"
-ApplicationMgr       INFO Updating Gaudi::PluginService::SetDebug(level) to level= 'PluginDebugLevel':0
-ApplicationMgr       INFO Updating Gaudi::PluginService::SetDebug(level) to level= 'PluginDebugLevel':0
 ApplicationMgr    SUCCESS 
 ====================================================================================================================================
-                                                   Welcome to ApplicationMgr (GaudiCoreSvc v32r2)
-                                          running on aibuild028.cern.ch on Sat Nov  2 01:41:38 2019
+                                                   Welcome to ApplicationMgr (GaudiCoreSvc v34r0)
+                                          running on 58dd451bc47f on Tue Oct  6 16:04:49 20?0
 ====================================================================================================================================
 ApplicationMgr       INFO Application Manager Configured successfully
-ApplicationMgr       INFO Updating Gaudi::PluginService::SetDebug(level) to level= 'PluginDebugLevel':0
-StatusCodeSvc        INFO initialize
 AthDictLoaderSvc     INFO in initialize...
 AthDictLoaderSvc     INFO acquired Dso-registry
-ClassIDSvc           INFO  getRegistryEntries: read 3286 CLIDRegistry entries for module ALL
+ClassIDSvc           INFO  getRegistryEntries: read 3308 CLIDRegistry entries for module ALL
 AthenaEventLoopMgr   INFO Initializing AthenaEventLoopMgr - package version AthenaServices-00-00-00
-ClassIDSvc           INFO  getRegistryEntries: read 846 CLIDRegistry entries for module ALL
+ClassIDSvc           INFO  getRegistryEntries: read 861 CLIDRegistry entries for module ALL
 ReadCond            DEBUG Property update for OutputLevel : new value = 2
 ReadCond             INFO in initialize()
 ReadCond            DEBUG input handles: 0
@@ -33,14 +29,14 @@ ReadData             INFO in initialize()
 MetaDataSvc         DEBUG Property update for OutputLevel : new value = 2
 MetaDataSvc          INFO Initializing MetaDataSvc - package version AthenaServices-00-00-00
 MetaDataSvc         DEBUG Service base class initialized successfully
-AthenaPoolCnvSvc     INFO Initializing AthenaPoolCnvSvc - package version AthenaPoolCnvSvc-00-00-00
 PoolSvc             DEBUG Property update for OutputLevel : new value = 2
 PoolSvc             DEBUG Service base class initialized successfully
 PoolSvc              INFO Set connectionsvc retry/timeout/IDLE timeout to  'ConnectionRetrialPeriod':300/ 'ConnectionRetrialTimeOut':3600/ 'ConnectionTimeOut':5 seconds with connection cleanup disabled
 PoolSvc              INFO Frontier compression level set to 5
-DBReplicaSvc         INFO Frontier server at (serverurl=http://atlasfrontier-local.cern.ch:8000/atlr)(serverurl=http://atlasfrontier-ai.cern.ch:8000/atlr)(serverurl=http://lcgft-atlas.gridpp.rl.ac.uk:3128/frontierATLAS)(serverurl=http://ccfrontier.in2p3.fr:23128/ccin2p3-AtlasFrontier)(proxyurl=http://ca-proxy.cern.ch:3128)(proxyurl=http://ca-proxy-meyrin.cern.ch:3128)(proxyurl=http://ca-proxy-wigner.cern.ch:3128)(proxyurl=http://atlasbpfrontier.cern.ch:3127)(proxyurl=http://atlasbpfrontier.fnal.gov:3127) will be considered for COOL data
-DBReplicaSvc         INFO Read replica configuration from /cvmfs/atlas-nightlies.cern.ch/repo/sw/master/2019-10-31T2131/Athena/22.0.7/InstallArea/x86_64-centos7-gcc8-opt/share/dbreplica.config
-DBReplicaSvc         INFO Total of 10 servers found for host aibuild028.cern.ch [ATLF ATLAS_COOLPROD atlas_dd ATLAS_CONFIG INT8R INTR ATONR_COOL ATONR_CONF DEVDB11 ATLF ]
+DBReplicaSvc         INFO Frontier server at (serverurl=http://atlasfrontier-ai.cern.ch:8000/atlr)(serverurl=http://frontier-atlas.lcg.triumf.ca:3128/ATLAS_frontier)(serverurl=http://ccfrontier.in2p3.fr:23128/ccin2p3-AtlasFrontier)(proxyurl=http://atlasbpfrontier.cern.ch:3127)(proxyurl=http://atlasbpfrontier.fnal.gov:3127) will be considered for COOL data
+DBReplicaSvc         INFO Read replica configuration from /cvmfs/atlas-nightlies.cern.ch/repo/sw/master_Athena_x86_64-centos7-gcc8-opt/20?0-10-05T2101/Athena/22.0.19/InstallArea/x86_64-centos7-gcc8-opt/share/dbreplica.config
+DBReplicaSvc         INFO No specific match for domain found - use default fallback
+DBReplicaSvc         INFO Total of 2 servers found for host 58dd451bc47f [ATLF atlas_dd ]
 PoolSvc              INFO Successfully setup replica sorting algorithm
 PoolSvc             DEBUG OutputLevel is 2
 PoolSvc              INFO Setting up APR FileCatalog and Streams
@@ -84,7 +80,9 @@ SimplePoolFile1...  DEBUG --->Reading Shape[8 , ????]: [1 Column(s)]
 SimplePoolFile1...  DEBUG ---->[0]:float Typ:float [10] Size:0 Offset:0 #Elements:1
 SimplePoolFile1...  DEBUG --->Reading Shape[9 , ????]: [1 Column(s)]
 SimplePoolFile1...  DEBUG ---->[0]:EventStreamInfo_p3 Typ:EventStreamInfo_p3 [21] Size:0 Offset:0 #Elements:1
-##Shapes            DEBUG No objects passing selection criteria... Container has 10 Entries in total.
+SimplePoolFile1...  DEBUG --->Reading Shape[10 , ????]: [1 Column(s)]
+SimplePoolFile1...  DEBUG ---->[0]:xAOD::EventFormat_v1 Typ:xAOD::EventFormat_v1 [21] Size:0 Offset:0 #Elements:1
+##Shapes            DEBUG No objects passing selection criteria... Container has 11 Entries in total.
 SimplePoolFile1...  DEBUG --> Access   DbContainer  READ      [ROOT_All] ##Links
 ##Links             DEBUG Opening
 ##Links             DEBUG    attributes# = 1
@@ -127,11 +125,13 @@ SimplePoolFile1...  DEBUG --->Reading Assoc:????/POOLCollectionTree(EventWeight)
 SimplePoolFile1...  DEBUG ---->ClassID:????
 SimplePoolFile1...  DEBUG --->Reading Assoc:????/MetaData(EventStreamInfo_p3/Stream1) [20?]  (14 , ffffffff)
 SimplePoolFile1...  DEBUG ---->ClassID:????
-SimplePoolFile1...  DEBUG --->Reading Assoc:????/MetaDataHdr(DataHeader) [20?]  (15 , ffffffff)
+SimplePoolFile1...  DEBUG --->Reading Assoc:????/MetaData(xAOD::EventFormat_v1/EventFormatStream1) [20?]  (15 , ffffffff)
 SimplePoolFile1...  DEBUG ---->ClassID:????
-SimplePoolFile1...  DEBUG --->Reading Assoc:????/MetaDataHdrForm(DataHeaderForm) [20?]  (16 , ffffffff)
+SimplePoolFile1...  DEBUG --->Reading Assoc:????/MetaDataHdr(DataHeader) [20?]  (16 , ffffffff)
 SimplePoolFile1...  DEBUG ---->ClassID:????
-##Links             DEBUG No objects passing selection criteria... Container has 21 Entries in total.
+SimplePoolFile1...  DEBUG --->Reading Assoc:????/MetaDataHdrForm(DataHeaderForm) [20?]  (17 , ffffffff)
+SimplePoolFile1...  DEBUG ---->ClassID:????
+##Links             DEBUG No objects passing selection criteria... Container has 22 Entries in total.
 SimplePoolFile1...  DEBUG --> Access   DbContainer  READ      [ROOT_All] ##Params
 ##Params            DEBUG Opening
 ##Params            DEBUG    attributes# = 1
@@ -146,7 +146,7 @@ MetaDataHdr(Dat...  DEBUG Opening
 MetaDataHdr(Dat...  DEBUG    attributes# = 1
 MetaDataHdr(Dat...  DEBUG Branch container 'DataHeader'
 MetaDataHdr(Dat...  DEBUG Opened container MetaDataHdr(DataHeader) of type ROOT_Tree
-ClassIDSvc           INFO  getRegistryEntries: read 2053 CLIDRegistry entries for module ALL
+ClassIDSvc           INFO  getRegistryEntries: read 1666 CLIDRegistry entries for module ALL
 EventPersistenc...   INFO Added successfully Conversion service:AthenaPoolCnvSvc
 SimplePoolFile1...  DEBUG --> Access   DbContainer  READ      [ROOT_Tree] MetaDataHdrForm(DataHeaderForm)
 MetaDataHdrForm...  DEBUG Opening
@@ -155,6 +155,7 @@ MetaDataHdrForm...  DEBUG Branch container 'DataHeaderForm'
 MetaDataHdrForm...  DEBUG Opened container MetaDataHdrForm(DataHeaderForm) of type ROOT_Tree
 MetaDataSvc         DEBUG Loaded input meta data store proxies
 ClassIDSvc           INFO  getRegistryEntries: read 2 CLIDRegistry entries for module ALL
+OutputStreamSeq...   INFO Initializing OutputStreamSequencerSvc - package version AthenaServices-00-00-00
 AthenaPoolAddre...  DEBUG Property update for OutputLevel : new value = 2
 AthenaPoolAddre...  DEBUG Service base class initialized successfully
 CondProxyProvider   DEBUG Property update for OutputLevel : new value = 2
@@ -202,7 +203,6 @@ ReadData            DEBUG output handles: 0
 ReadData            DEBUG Data Deps for ReadData
   + INPUT   ( 'ExampleHitContainer' , 'StoreGateSvc+MyHits' ) 
   + INPUT   ( 'ExampleTrackContainer' , 'StoreGateSvc+MyTracks' ) 
-HistogramPersis...WARNING Histograms saving not required.
 AthenaEventLoopMgr   INFO Setup EventSelector service EventSelector
 ApplicationMgr       INFO Application Manager Initialized successfully
 EventSelector       DEBUG Try item: "SimplePoolFile1.root" from the collection list.
@@ -333,7 +333,7 @@ EventSelector       DEBUG Get AttributeList from the collection
 EventSelector       DEBUG AttributeList size 12
 EventSelector       DEBUG record AthenaAttribute, name = Token = [DB=????][CNT=POOLContainer(DataHeader)][CLID=????][TECH=0000020?][OID=00000005-00000001].
 EventSelector       DEBUG record AthenaAttribute, name = eventRef = [DB=????][CNT=POOLContainer(DataHeader)][CLID=????][TECH=0000020?][OID=00000005-00000001].
-ClassIDSvc           INFO  getRegistryEntries: read 27 CLIDRegistry entries for module ALL
+ClassIDSvc           INFO  getRegistryEntries: read 21 CLIDRegistry entries for module ALL
 EventSelector       DEBUG found AthenaAttribute, name = eventRef = [DB=????][CNT=POOLContainer(DataHeader)][CLID=????][TECH=0000020?][OID=00000005-00000001]
 AthenaPoolAddre...  DEBUG The current Event contains: 3 objects
 AthenaPoolAddre...  DEBUG loadAddresses: DataObject address, clid = 2101, name = McEventInfo
@@ -958,6 +958,7 @@ ReadData             INFO Hit x = 1926.91 y = 52.2238 z = -1855.07 detector = Du
 ReadData             INFO Hit x = 1930.12 y = 46.5449 z = -1856.17 detector = DummyHitDetector
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #19, run #1 20 events processed so far  <<<===
 MetaDataSvc         DEBUG handle() EndInputFile for FID:????
+MetaDataSvc         DEBUG retireMetadataSource: FID:????
 EventSelector        INFO Disconnecting input sourceID: ????
 Domain[ROOT_All]     INFO ->  Deaccess DbDatabase   READ      [ROOT_All] ????
 AthenaEventLoopMgr   INFO No more events in event selection 
@@ -974,9 +975,9 @@ ToolSvc              INFO Removing all tools created by ToolSvc
 *****Chrono*****     INFO ****************************************************************************************************
 *****Chrono*****     INFO  The Final CPU consumption ( Chrono ) Table (ordered)
 *****Chrono*****     INFO ****************************************************************************************************
-cObjR_ALL            INFO Time User   : Tot=   10 [ms] Ave/Min/Max=0.204(+- 1.41)/    0/   10 [ms] #= 49
-cObj_ALL             INFO Time User   : Tot=   20 [ms] Ave/Min/Max=0.444(+- 2.06)/    0/   10 [ms] #= 45
-ChronoStatSvc        INFO Time User   : Tot=  450 [ms]                                             #=  1
+cObjR_ALL            INFO Time User   : Tot=   10 [ms] Ave/Min/Max=   0.204(+-    1.41)/       0/      10 [ms] #= 49
+cObj_ALL             INFO Time User   : Tot=   20 [ms] Ave/Min/Max=   0.444(+-    2.06)/       0/      10 [ms] #= 45
+ChronoStatSvc        INFO Time User   : Tot=  160 [ms]  #=  1
 *****Chrono*****     INFO ****************************************************************************************************
 ChronoStatSvc.f...   INFO  Service finalized successfully 
 ApplicationMgr       INFO Application Manager Finalized successfully
diff --git a/Database/AthenaPOOL/AthenaPoolExample/AthenaPoolExampleAlgorithms/share/AthenaPoolExample_RMeta.ref b/Database/AthenaPOOL/AthenaPoolExample/AthenaPoolExampleAlgorithms/share/AthenaPoolExample_RMeta.ref
index 7d016fd5f3f7e26c842e419a85acec8500c621f3..3c77f1afb29bd703012ba537dd88d02ae67be1f2 100644
--- a/Database/AthenaPOOL/AthenaPoolExample/AthenaPoolExampleAlgorithms/share/AthenaPoolExample_RMeta.ref
+++ b/Database/AthenaPOOL/AthenaPoolExample/AthenaPoolExampleAlgorithms/share/AthenaPoolExample_RMeta.ref
@@ -1,43 +1,39 @@
-Sat Nov  2 01:41:54 CET 2019
+Tue Oct  6 16:04:56 CEST 20?0
 Preloading tcmalloc_minimal.so
 Athena               INFO including file "AthenaCommon/Preparation.py"
 Athena               INFO including file "AthenaCommon/Atlas.UnixStandardJob.py"
 Athena               INFO executing ROOT6Setup
 Athena               INFO including file "AthenaCommon/Execution.py"
 Athena               INFO including file "AthenaPoolExampleAlgorithms/AthenaPoolExample_RMetaJobOptions.py"
-Py:ConfigurableDb    INFO Read module info for 5598 configurables from 9 genConfDb files
+Py:ConfigurableDb    INFO Read module info for 5569 configurables from 4 genConfDb files
 Py:ConfigurableDb    INFO No duplicates have been found: that's good !
 Athena               INFO including file "AthenaCommon/runbatch.py"
-ApplicationMgr       INFO Updating Gaudi::PluginService::SetDebug(level) to level= 'PluginDebugLevel':0
-ApplicationMgr       INFO Updating Gaudi::PluginService::SetDebug(level) to level= 'PluginDebugLevel':0
 ApplicationMgr    SUCCESS 
 ====================================================================================================================================
-                                                   Welcome to ApplicationMgr (GaudiCoreSvc v32r2)
-                                          running on aibuild028.cern.ch on Sat Nov  2 01:42:03 2019
+                                                   Welcome to ApplicationMgr (GaudiCoreSvc v34r0)
+                                          running on 58dd451bc47f on Tue Oct  6 16:05:02 20?0
 ====================================================================================================================================
 ApplicationMgr       INFO Application Manager Configured successfully
-ApplicationMgr       INFO Updating Gaudi::PluginService::SetDebug(level) to level= 'PluginDebugLevel':0
-StatusCodeSvc        INFO initialize
 AthDictLoaderSvc     INFO in initialize...
 AthDictLoaderSvc     INFO acquired Dso-registry
-ClassIDSvc           INFO  getRegistryEntries: read 3286 CLIDRegistry entries for module ALL
+ClassIDSvc           INFO  getRegistryEntries: read 3308 CLIDRegistry entries for module ALL
 AthenaEventLoopMgr   INFO Initializing AthenaEventLoopMgr - package version AthenaServices-00-00-00
-ClassIDSvc           INFO  getRegistryEntries: read 846 CLIDRegistry entries for module ALL
+ClassIDSvc           INFO  getRegistryEntries: read 861 CLIDRegistry entries for module ALL
 ReadData            DEBUG Property update for OutputLevel : new value = 2
 ReadData             INFO in initialize()
 MetaDataSvc         DEBUG Property update for OutputLevel : new value = 2
 MetaDataSvc          INFO Initializing MetaDataSvc - package version AthenaServices-00-00-00
 MetaDataSvc         DEBUG Service base class initialized successfully
-AthenaPoolCnvSvc     INFO Initializing AthenaPoolCnvSvc - package version AthenaPoolCnvSvc-00-00-00
 PoolSvc             DEBUG Property update for OutputLevel : new value = 2
 PoolSvc             DEBUG Service base class initialized successfully
 PoolSvc              INFO io_register[PoolSvc](xmlcatalog_file:Catalog2.xml) [ok]
 PoolSvc              INFO io_register[PoolSvc](xmlcatalog_file:PoolFileCatalog.xml) [ok]
 PoolSvc              INFO Set connectionsvc retry/timeout/IDLE timeout to  'ConnectionRetrialPeriod':300/ 'ConnectionRetrialTimeOut':3600/ 'ConnectionTimeOut':5 seconds with connection cleanup disabled
 PoolSvc              INFO Frontier compression level set to 5
-DBReplicaSvc         INFO Frontier server at (serverurl=http://atlasfrontier-local.cern.ch:8000/atlr)(serverurl=http://atlasfrontier-ai.cern.ch:8000/atlr)(serverurl=http://lcgft-atlas.gridpp.rl.ac.uk:3128/frontierATLAS)(serverurl=http://ccfrontier.in2p3.fr:23128/ccin2p3-AtlasFrontier)(proxyurl=http://ca-proxy.cern.ch:3128)(proxyurl=http://ca-proxy-meyrin.cern.ch:3128)(proxyurl=http://ca-proxy-wigner.cern.ch:3128)(proxyurl=http://atlasbpfrontier.cern.ch:3127)(proxyurl=http://atlasbpfrontier.fnal.gov:3127) will be considered for COOL data
-DBReplicaSvc         INFO Read replica configuration from /cvmfs/atlas-nightlies.cern.ch/repo/sw/master/2019-10-31T2131/Athena/22.0.7/InstallArea/x86_64-centos7-gcc8-opt/share/dbreplica.config
-DBReplicaSvc         INFO Total of 10 servers found for host aibuild028.cern.ch [ATLF ATLAS_COOLPROD atlas_dd ATLAS_CONFIG INT8R INTR ATONR_COOL ATONR_CONF DEVDB11 ATLF ]
+DBReplicaSvc         INFO Frontier server at (serverurl=http://atlasfrontier-ai.cern.ch:8000/atlr)(serverurl=http://frontier-atlas.lcg.triumf.ca:3128/ATLAS_frontier)(serverurl=http://ccfrontier.in2p3.fr:23128/ccin2p3-AtlasFrontier)(proxyurl=http://atlasbpfrontier.cern.ch:3127)(proxyurl=http://atlasbpfrontier.fnal.gov:3127) will be considered for COOL data
+DBReplicaSvc         INFO Read replica configuration from /cvmfs/atlas-nightlies.cern.ch/repo/sw/master_Athena_x86_64-centos7-gcc8-opt/20?0-10-05T2101/Athena/22.0.19/InstallArea/x86_64-centos7-gcc8-opt/share/dbreplica.config
+DBReplicaSvc         INFO No specific match for domain found - use default fallback
+DBReplicaSvc         INFO Total of 2 servers found for host 58dd451bc47f [ATLF atlas_dd ]
 PoolSvc              INFO Successfully setup replica sorting algorithm
 PoolSvc             DEBUG OutputLevel is 2
 PoolSvc              INFO Setting up APR FileCatalog and Streams
@@ -81,7 +77,9 @@ SimplePoolFile5...  DEBUG --->Reading Shape[8 , ????]: [1 Column(s)]
 SimplePoolFile5...  DEBUG ---->[0]:float Typ:float [10] Size:0 Offset:0 #Elements:1
 SimplePoolFile5...  DEBUG --->Reading Shape[9 , ????]: [1 Column(s)]
 SimplePoolFile5...  DEBUG ---->[0]:EventStreamInfo_p3 Typ:EventStreamInfo_p3 [21] Size:0 Offset:0 #Elements:1
-##Shapes            DEBUG No objects passing selection criteria... Container has 10 Entries in total.
+SimplePoolFile5...  DEBUG --->Reading Shape[10 , ????]: [1 Column(s)]
+SimplePoolFile5...  DEBUG ---->[0]:xAOD::EventFormat_v1 Typ:xAOD::EventFormat_v1 [21] Size:0 Offset:0 #Elements:1
+##Shapes            DEBUG No objects passing selection criteria... Container has 11 Entries in total.
 SimplePoolFile5...  DEBUG --> Access   DbContainer  READ      [ROOT_All] ##Links
 ##Links             DEBUG Opening
 ##Links             DEBUG    attributes# = 1
@@ -126,11 +124,13 @@ SimplePoolFile5...  DEBUG --->Reading Assoc:????/MetaData(ExampleHitContainer_p1
 SimplePoolFile5...  DEBUG ---->ClassID:????
 SimplePoolFile5...  DEBUG --->Reading Assoc:????/MetaData(EventStreamInfo_p3/Stream1) [20?]  (15 , ffffffff)
 SimplePoolFile5...  DEBUG ---->ClassID:????
-SimplePoolFile5...  DEBUG --->Reading Assoc:????/MetaDataHdr(DataHeader) [20?]  (16 , ffffffff)
+SimplePoolFile5...  DEBUG --->Reading Assoc:????/MetaData(xAOD::EventFormat_v1/EventFormatStream1) [20?]  (16 , ffffffff)
 SimplePoolFile5...  DEBUG ---->ClassID:????
-SimplePoolFile5...  DEBUG --->Reading Assoc:????/MetaDataHdrForm(DataHeaderForm) [20?]  (17 , ffffffff)
+SimplePoolFile5...  DEBUG --->Reading Assoc:????/MetaDataHdr(DataHeader) [20?]  (17 , ffffffff)
 SimplePoolFile5...  DEBUG ---->ClassID:????
-##Links             DEBUG No objects passing selection criteria... Container has 22 Entries in total.
+SimplePoolFile5...  DEBUG --->Reading Assoc:????/MetaDataHdrForm(DataHeaderForm) [20?]  (18 , ffffffff)
+SimplePoolFile5...  DEBUG ---->ClassID:????
+##Links             DEBUG No objects passing selection criteria... Container has 23 Entries in total.
 SimplePoolFile5...  DEBUG --> Access   DbContainer  READ      [ROOT_All] ##Params
 ##Params            DEBUG Opening
 ##Params            DEBUG    attributes# = 1
@@ -145,7 +145,7 @@ MetaDataHdr(Dat...  DEBUG Opening
 MetaDataHdr(Dat...  DEBUG    attributes# = 1
 MetaDataHdr(Dat...  DEBUG Branch container 'DataHeader'
 MetaDataHdr(Dat...  DEBUG Opened container MetaDataHdr(DataHeader) of type ROOT_Tree
-ClassIDSvc           INFO  getRegistryEntries: read 2053 CLIDRegistry entries for module ALL
+ClassIDSvc           INFO  getRegistryEntries: read 1666 CLIDRegistry entries for module ALL
 EventPersistenc...   INFO Added successfully Conversion service:AthenaPoolCnvSvc
 SimplePoolFile5...  DEBUG --> Access   DbContainer  READ      [ROOT_Tree] MetaDataHdrForm(DataHeaderForm)
 MetaDataHdrForm...  DEBUG Opening
@@ -154,6 +154,7 @@ MetaDataHdrForm...  DEBUG Branch container 'DataHeaderForm'
 MetaDataHdrForm...  DEBUG Opened container MetaDataHdrForm(DataHeaderForm) of type ROOT_Tree
 MetaDataSvc         DEBUG Loaded input meta data store proxies
 ClassIDSvc           INFO  getRegistryEntries: read 2 CLIDRegistry entries for module ALL
+OutputStreamSeq...   INFO Initializing OutputStreamSequencerSvc - package version AthenaServices-00-00-00
 AthenaPoolAddre...  DEBUG Property update for OutputLevel : new value = 2
 AthenaPoolAddre...  DEBUG Service base class initialized successfully
 ReadData            DEBUG input handles: 2
@@ -161,7 +162,6 @@ ReadData            DEBUG output handles: 0
 ReadData            DEBUG Data Deps for ReadData
   + INPUT   ( 'ExampleHitContainer' , 'StoreGateSvc+MyHits' ) 
   + INPUT   ( 'ExampleTrackContainer' , 'StoreGateSvc+MyTracks' ) 
-HistogramPersis...WARNING Histograms saving not required.
 AthenaEventLoopMgr   INFO Setup EventSelector service EventSelector
 ApplicationMgr       INFO Application Manager Initialized successfully
 EventSelector       DEBUG Try item: "SimplePoolFile5.root" from the collection list.
@@ -185,7 +185,7 @@ EventSelector       DEBUG Get AttributeList from the collection
 EventSelector       DEBUG AttributeList size 12
 EventSelector       DEBUG record AthenaAttribute, name = Token = [DB=????][CNT=POOLContainer(DataHeader)][CLID=????][TECH=0000020?][OID=00000005-00000000].
 EventSelector       DEBUG record AthenaAttribute, name = eventRef = [DB=????][CNT=POOLContainer(DataHeader)][CLID=????][TECH=0000020?][OID=00000005-00000000].
-ClassIDSvc           INFO  getRegistryEntries: read 12 CLIDRegistry entries for module ALL
+ClassIDSvc           INFO  getRegistryEntries: read 6 CLIDRegistry entries for module ALL
 EventSelector       DEBUG found AthenaAttribute, name = eventRef = [DB=????][CNT=POOLContainer(DataHeader)][CLID=????][TECH=0000020?][OID=00000005-00000000]
 SimplePoolFile5...  DEBUG --> Access   DbContainer  READ      [ROOT_Tree] POOLContainer(DataHeader)
 POOLContainer(D...  DEBUG Opening
@@ -826,6 +826,7 @@ ReadData             INFO Hit x = 1926.91 y = -47.7762 z = -1855.07 detector = D
 ReadData             INFO Hit x = 1930.12 y = -53.4551 z = -1856.17 detector = DummyHitDetector
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #19, run #0 20 events processed so far  <<<===
 MetaDataSvc         DEBUG handle() EndInputFile for FID:????
+MetaDataSvc         DEBUG retireMetadataSource: FID:????
 EventSelector        INFO Disconnecting input sourceID: ????
 Domain[ROOT_All]     INFO ->  Deaccess DbDatabase   READ      [ROOT_All] ????
 Domain[ROOT_All]     INFO >   Deaccess DbDomain     READ      [ROOT_All] 
@@ -841,9 +842,9 @@ ToolSvc.AthPool...   INFO in finalize()
 *****Chrono*****     INFO ****************************************************************************************************
 *****Chrono*****     INFO  The Final CPU consumption ( Chrono ) Table (ordered)
 *****Chrono*****     INFO ****************************************************************************************************
-cObjR_ALL            INFO Time User   : Tot=   10 [ms] Ave/Min/Max=0.213(+- 1.44)/    0/   10 [ms] #= 47
-cObj_ALL             INFO Time User   : Tot=   30 [ms] Ave/Min/Max=0.682(+- 2.52)/    0/   10 [ms] #= 44
-ChronoStatSvc        INFO Time User   : Tot=  450 [ms]                                             #=  1
+cObjR_ALL            INFO Time User   : Tot=    0 [us] Ave/Min/Max=       0(+-       0)/       0/       0 [us] #= 47
+cObj_ALL             INFO Time User   : Tot=   10 [ms] Ave/Min/Max=   0.227(+-    1.49)/       0/      10 [ms] #= 44
+ChronoStatSvc        INFO Time User   : Tot=  150 [ms]  #=  1
 *****Chrono*****     INFO ****************************************************************************************************
 ChronoStatSvc.f...   INFO  Service finalized successfully 
 ApplicationMgr       INFO Application Manager Finalized successfully
diff --git a/Database/AthenaPOOL/AthenaPoolExample/AthenaPoolExampleAlgorithms/share/AthenaPoolExample_ReWrite.ref b/Database/AthenaPOOL/AthenaPoolExample/AthenaPoolExampleAlgorithms/share/AthenaPoolExample_ReWrite.ref
index 814f5dd5a1bdea2b0ebb0a57524a01fbc078de3d..ba91a2a9f3f74e7b38a964774901fe8e28e3de66 100644
--- a/Database/AthenaPOOL/AthenaPoolExample/AthenaPoolExampleAlgorithms/share/AthenaPoolExample_ReWrite.ref
+++ b/Database/AthenaPOOL/AthenaPoolExample/AthenaPoolExampleAlgorithms/share/AthenaPoolExample_ReWrite.ref
@@ -1,17 +1,17 @@
-Wed Sep 23 17:58:44 CEST 20?0
+Tue Oct  6 16:03:44 CEST 20?0
 Preloading tcmalloc_minimal.so
 Athena               INFO including file "AthenaCommon/Preparation.py"
 Athena               INFO including file "AthenaCommon/Atlas.UnixStandardJob.py"
 Athena               INFO executing ROOT6Setup
 Athena               INFO including file "AthenaCommon/Execution.py"
 Athena               INFO including file "AthenaPoolExampleAlgorithms/AthenaPoolExample_RWJobOptions.py"
-Py:ConfigurableDb    INFO Read module info for 5565 configurables from 45 genConfDb files
+Py:ConfigurableDb    INFO Read module info for 5569 configurables from 4 genConfDb files
 Py:ConfigurableDb    INFO No duplicates have been found: that's good !
 Athena               INFO including file "AthenaCommon/runbatch.py"
 ApplicationMgr    SUCCESS 
 ====================================================================================================================================
                                                    Welcome to ApplicationMgr (GaudiCoreSvc v34r0)
-                                          running on lxplus750.cern.ch on Wed Sep 23 17:58:51 20?0
+                                          running on 58dd451bc47f on Tue Oct  6 16:03:49 20?0
 ====================================================================================================================================
 ApplicationMgr       INFO Application Manager Configured successfully
 AthDictLoaderSvc     INFO in initialize...
@@ -31,9 +31,10 @@ PoolSvc             DEBUG Property update for OutputLevel : new value = 2
 PoolSvc             DEBUG Service base class initialized successfully
 PoolSvc              INFO Set connectionsvc retry/timeout/IDLE timeout to  'ConnectionRetrialPeriod':300/ 'ConnectionRetrialTimeOut':3600/ 'ConnectionTimeOut':5 seconds with connection cleanup disabled
 PoolSvc              INFO Frontier compression level set to 5
-DBReplicaSvc         INFO Frontier server at (serverurl=http://atlasfrontier-local.cern.ch:8000/atlr)(serverurl=http://atlasfrontier-ai.cern.ch:8000/atlr)(serverurl=http://ccfrontier.in2p3.fr:23128/ccin2p3-AtlasFrontier)(proxyurl=http://ca-proxy-atlas.cern.ch:3128)(proxyurl=http://ca-proxy-meyrin.cern.ch:3128)(proxyurl=http://ca-proxy.cern.ch:3128)(proxyurl=http://atlasbpfrontier.cern.ch:3127)(proxyurl=http://atlasbpfrontier.fnal.gov:3127) will be considered for COOL data
-DBReplicaSvc         INFO Read replica configuration from /cvmfs/atlas-nightlies.cern.ch/repo/sw/master_Athena_x86_64-centos7-gcc8-opt/20?0-09-22T2101/Athena/22.0.18/InstallArea/x86_64-centos7-gcc8-opt/share/dbreplica.config
-DBReplicaSvc         INFO Total of 10 servers found for host lxplus750.cern.ch [ATLF ATLAS_COOLPROD atlas_dd ATLAS_CONFIG INT8R INTR ATONR_COOL ATONR_CONF DEVDB11 ATLF ]
+DBReplicaSvc         INFO Frontier server at (serverurl=http://atlasfrontier-ai.cern.ch:8000/atlr)(serverurl=http://frontier-atlas.lcg.triumf.ca:3128/ATLAS_frontier)(serverurl=http://ccfrontier.in2p3.fr:23128/ccin2p3-AtlasFrontier)(proxyurl=http://atlasbpfrontier.cern.ch:3127)(proxyurl=http://atlasbpfrontier.fnal.gov:3127) will be considered for COOL data
+DBReplicaSvc         INFO Read replica configuration from /cvmfs/atlas-nightlies.cern.ch/repo/sw/master_Athena_x86_64-centos7-gcc8-opt/20?0-10-05T2101/Athena/22.0.19/InstallArea/x86_64-centos7-gcc8-opt/share/dbreplica.config
+DBReplicaSvc         INFO No specific match for domain found - use default fallback
+DBReplicaSvc         INFO Total of 2 servers found for host 58dd451bc47f [ATLF atlas_dd ]
 PoolSvc              INFO Successfully setup replica sorting algorithm
 PoolSvc             DEBUG OutputLevel is 2
 PoolSvc              INFO Setting up APR FileCatalog and Streams
@@ -70,7 +71,9 @@ SimplePoolFile1...  DEBUG --->Reading Shape[5 , ????]: [1 Column(s)]
 SimplePoolFile1...  DEBUG ---->[0]:unsigned int Typ:unsigned int [3] Size:0 Offset:0 #Elements:1
 SimplePoolFile1...  DEBUG --->Reading Shape[6 , ????]: [1 Column(s)]
 SimplePoolFile1...  DEBUG ---->[0]:EventStreamInfo_p3 Typ:EventStreamInfo_p3 [21] Size:0 Offset:0 #Elements:1
-##Shapes            DEBUG No objects passing selection criteria... Container has 7 Entries in total.
+SimplePoolFile1...  DEBUG --->Reading Shape[7 , ????]: [1 Column(s)]
+SimplePoolFile1...  DEBUG ---->[0]:xAOD::EventFormat_v1 Typ:xAOD::EventFormat_v1 [21] Size:0 Offset:0 #Elements:1
+##Shapes            DEBUG No objects passing selection criteria... Container has 8 Entries in total.
 SimplePoolFile1...  DEBUG --> Access   DbContainer  READ      [ROOT_All] ##Links
 ##Links             DEBUG Opening
 ##Links             DEBUG    attributes# = 1
@@ -95,11 +98,13 @@ SimplePoolFile1...  DEBUG --->Reading Assoc:????/POOLCollectionTree(MagicNumber)
 SimplePoolFile1...  DEBUG ---->ClassID:????
 SimplePoolFile1...  DEBUG --->Reading Assoc:????/MetaData(EventStreamInfo_p3/Stream1) [20?]  (b , ffffffff)
 SimplePoolFile1...  DEBUG ---->ClassID:????
-SimplePoolFile1...  DEBUG --->Reading Assoc:????/MetaDataHdr(DataHeader) [20?]  (c , ffffffff)
+SimplePoolFile1...  DEBUG --->Reading Assoc:????/MetaData(xAOD::EventFormat_v1/EventFormatStream1) [20?]  (c , ffffffff)
 SimplePoolFile1...  DEBUG ---->ClassID:????
-SimplePoolFile1...  DEBUG --->Reading Assoc:????/MetaDataHdrForm(DataHeaderForm) [20?]  (d , ffffffff)
+SimplePoolFile1...  DEBUG --->Reading Assoc:????/MetaDataHdr(DataHeader) [20?]  (d , ffffffff)
 SimplePoolFile1...  DEBUG ---->ClassID:????
-##Links             DEBUG No objects passing selection criteria... Container has 12 Entries in total.
+SimplePoolFile1...  DEBUG --->Reading Assoc:????/MetaDataHdrForm(DataHeaderForm) [20?]  (e , ffffffff)
+SimplePoolFile1...  DEBUG ---->ClassID:????
+##Links             DEBUG No objects passing selection criteria... Container has 13 Entries in total.
 SimplePoolFile1...  DEBUG --> Access   DbContainer  READ      [ROOT_All] ##Params
 ##Params            DEBUG Opening
 ##Params            DEBUG    attributes# = 1
@@ -161,16 +166,21 @@ Stream1.Stream1...  DEBUG Property update for OutputLevel : new value = 2
 Stream1.Stream1...   INFO Initializing Stream1.Stream1Tool - package version AthenaServices-00-00-00
 Stream1.Stream1...  DEBUG Property update for OutputLevel : new value = 2
 Stream1.Stream1...   INFO Initializing Stream1.Stream1_MakeEventStreamInfo - package version OutputStreamAthenaPool-00-00-00
+Stream1.Stream1...  DEBUG Property update for OutputLevel : new value = 2
 Stream1.Thinnin...  DEBUG Property update for OutputLevel : new value = 2
-Stream1              INFO Found HelperTools = PrivateToolHandleArray(['MakeEventStreamInfo/Stream1_MakeEventStreamInfo','Athena::ThinningCacheTool/ThinningCacheTool_Stream1'])
+Stream1              INFO Found HelperTools = PrivateToolHandleArray(['MakeEventStreamInfo/Stream1_MakeEventStreamInfo','xAODMaker::EventFormatStreamHelperTool/Stream1_MakeEventFormat','Athena::ThinningCacheTool/ThinningCacheTool_Stream1'])
 Stream1              INFO Data output: SimplePoolFile3.root
+ClassIDSvc           INFO  getRegistryEntries: read 171 CLIDRegistry entries for module ALL
+MetaDataSvc         DEBUG MetaDataSvc will handle ClassID 167728019
 Stream1              INFO I/O reinitialization...
+MetaDataSvc         DEBUG MetaDataSvc will handle ClassID 167728019
 Stream1.Stream1...  DEBUG Property update for OutputLevel : new value = 2
 Stream1             DEBUG End initialize
 Stream1             DEBUG input handles: 0
 Stream1             DEBUG output handles: 2
 Stream1             DEBUG Registering all Tools in ToolHandleArray HelperTools
 Stream1             DEBUG Adding private ToolHandle tool Stream1.Stream1_MakeEventStreamInfo (MakeEventStreamInfo)
+Stream1             DEBUG Adding private ToolHandle tool Stream1.Stream1_MakeEventFormat (xAODMaker::EventFormatStreamHelperTool)
 Stream1             DEBUG Adding private ToolHandle tool Stream1.ThinningCacheTool_Stream1 (Athena::ThinningCacheTool)
 Stream1             DEBUG Adding private ToolHandle tool Stream1.Stream1Tool (AthenaOutputStreamTool)
 Stream1             DEBUG Data Deps for Stream1
@@ -284,11 +294,13 @@ Stream1             DEBUG addItemObjects(2101,"*") called
 Stream1             DEBUG            Key:*
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #2101
 Stream1             DEBUG  Added object 2101,"McEventInfo"
 Stream1             DEBUG addItemObjects(9103,"MyTracks") called
 Stream1             DEBUG            Key:MyTracks
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #9103
 Stream1             DEBUG  Added object 9103,"MyTracks"
 Stream1             DEBUG  Collected objects:
 Stream1             DEBUG  Object/count: EventInfo_McEventInfo, 1
@@ -400,6 +412,10 @@ SimplePoolFile3...  DEBUG --->Adding Assoc :????/POOLCollectionTree(MagicNumber)
 SimplePoolFile3...  DEBUG ---->ClassID:????
 AthenaPoolCnvSvc    DEBUG setAttribute BRANCH_BASKET_SIZE to 256000 for db: SimplePoolFile3.root and cont: POOLContainer(DataHeader)
 AthenaPoolCnvSvc    DEBUG setAttribute BRANCH_BASKET_SIZE to 1024000 for db: SimplePoolFile3.root and cont: POOLContainerForm(DataHeaderForm)
+MetaDataSvc         DEBUG MetaDataSvc will handle ClassID 167728019
+MetaDataSvc         DEBUG MetaDataSvc will handle ClassID 167728019
+MetaDataSvc         DEBUG MetaDataSvc will handle ClassID 243004407
+MetaDataSvc         DEBUG MetaDataSvc will handle ClassID 243004407
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #0, run #1 1 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
 EventSelector       DEBUG AttributeList size 3
@@ -465,11 +481,13 @@ Stream1             DEBUG addItemObjects(2101,"*") called
 Stream1             DEBUG            Key:*
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #2101
 Stream1             DEBUG  Added object 2101,"McEventInfo"
 Stream1             DEBUG addItemObjects(9103,"MyTracks") called
 Stream1             DEBUG            Key:MyTracks
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #9103
 Stream1             DEBUG  Added object 9103,"MyTracks"
 Stream1             DEBUG  Collected objects:
 Stream1             DEBUG  Object/count: EventInfo_McEventInfo, 2
@@ -540,11 +558,13 @@ Stream1             DEBUG addItemObjects(2101,"*") called
 Stream1             DEBUG            Key:*
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #2101
 Stream1             DEBUG  Added object 2101,"McEventInfo"
 Stream1             DEBUG addItemObjects(9103,"MyTracks") called
 Stream1             DEBUG            Key:MyTracks
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #9103
 Stream1             DEBUG  Added object 9103,"MyTracks"
 Stream1             DEBUG  Collected objects:
 Stream1             DEBUG  Object/count: EventInfo_McEventInfo, 3
@@ -615,11 +635,13 @@ Stream1             DEBUG addItemObjects(2101,"*") called
 Stream1             DEBUG            Key:*
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #2101
 Stream1             DEBUG  Added object 2101,"McEventInfo"
 Stream1             DEBUG addItemObjects(9103,"MyTracks") called
 Stream1             DEBUG            Key:MyTracks
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #9103
 Stream1             DEBUG  Added object 9103,"MyTracks"
 Stream1             DEBUG  Collected objects:
 Stream1             DEBUG  Object/count: EventInfo_McEventInfo, 4
@@ -690,11 +712,13 @@ Stream1             DEBUG addItemObjects(2101,"*") called
 Stream1             DEBUG            Key:*
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #2101
 Stream1             DEBUG  Added object 2101,"McEventInfo"
 Stream1             DEBUG addItemObjects(9103,"MyTracks") called
 Stream1             DEBUG            Key:MyTracks
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #9103
 Stream1             DEBUG  Added object 9103,"MyTracks"
 Stream1             DEBUG  Collected objects:
 Stream1             DEBUG  Object/count: EventInfo_McEventInfo, 5
@@ -765,11 +789,13 @@ Stream1             DEBUG addItemObjects(2101,"*") called
 Stream1             DEBUG            Key:*
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #2101
 Stream1             DEBUG  Added object 2101,"McEventInfo"
 Stream1             DEBUG addItemObjects(9103,"MyTracks") called
 Stream1             DEBUG            Key:MyTracks
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #9103
 Stream1             DEBUG  Added object 9103,"MyTracks"
 Stream1             DEBUG  Collected objects:
 Stream1             DEBUG  Object/count: EventInfo_McEventInfo, 6
@@ -840,11 +866,13 @@ Stream1             DEBUG addItemObjects(2101,"*") called
 Stream1             DEBUG            Key:*
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #2101
 Stream1             DEBUG  Added object 2101,"McEventInfo"
 Stream1             DEBUG addItemObjects(9103,"MyTracks") called
 Stream1             DEBUG            Key:MyTracks
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #9103
 Stream1             DEBUG  Added object 9103,"MyTracks"
 Stream1             DEBUG  Collected objects:
 Stream1             DEBUG  Object/count: EventInfo_McEventInfo, 7
@@ -915,11 +943,13 @@ Stream1             DEBUG addItemObjects(2101,"*") called
 Stream1             DEBUG            Key:*
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #2101
 Stream1             DEBUG  Added object 2101,"McEventInfo"
 Stream1             DEBUG addItemObjects(9103,"MyTracks") called
 Stream1             DEBUG            Key:MyTracks
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #9103
 Stream1             DEBUG  Added object 9103,"MyTracks"
 Stream1             DEBUG  Collected objects:
 Stream1             DEBUG  Object/count: EventInfo_McEventInfo, 8
@@ -990,11 +1020,13 @@ Stream1             DEBUG addItemObjects(2101,"*") called
 Stream1             DEBUG            Key:*
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #2101
 Stream1             DEBUG  Added object 2101,"McEventInfo"
 Stream1             DEBUG addItemObjects(9103,"MyTracks") called
 Stream1             DEBUG            Key:MyTracks
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #9103
 Stream1             DEBUG  Added object 9103,"MyTracks"
 Stream1             DEBUG  Collected objects:
 Stream1             DEBUG  Object/count: EventInfo_McEventInfo, 9
@@ -1065,11 +1097,13 @@ Stream1             DEBUG addItemObjects(2101,"*") called
 Stream1             DEBUG            Key:*
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #2101
 Stream1             DEBUG  Added object 2101,"McEventInfo"
 Stream1             DEBUG addItemObjects(9103,"MyTracks") called
 Stream1             DEBUG            Key:MyTracks
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #9103
 Stream1             DEBUG  Added object 9103,"MyTracks"
 Stream1             DEBUG  Collected objects:
 Stream1             DEBUG  Object/count: EventInfo_McEventInfo, 10
@@ -1140,11 +1174,13 @@ Stream1             DEBUG addItemObjects(2101,"*") called
 Stream1             DEBUG            Key:*
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #2101
 Stream1             DEBUG  Added object 2101,"McEventInfo"
 Stream1             DEBUG addItemObjects(9103,"MyTracks") called
 Stream1             DEBUG            Key:MyTracks
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #9103
 Stream1             DEBUG  Added object 9103,"MyTracks"
 Stream1             DEBUG  Collected objects:
 Stream1             DEBUG  Object/count: EventInfo_McEventInfo, 11
@@ -1215,11 +1251,13 @@ Stream1             DEBUG addItemObjects(2101,"*") called
 Stream1             DEBUG            Key:*
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #2101
 Stream1             DEBUG  Added object 2101,"McEventInfo"
 Stream1             DEBUG addItemObjects(9103,"MyTracks") called
 Stream1             DEBUG            Key:MyTracks
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #9103
 Stream1             DEBUG  Added object 9103,"MyTracks"
 Stream1             DEBUG  Collected objects:
 Stream1             DEBUG  Object/count: EventInfo_McEventInfo, 12
@@ -1290,11 +1328,13 @@ Stream1             DEBUG addItemObjects(2101,"*") called
 Stream1             DEBUG            Key:*
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #2101
 Stream1             DEBUG  Added object 2101,"McEventInfo"
 Stream1             DEBUG addItemObjects(9103,"MyTracks") called
 Stream1             DEBUG            Key:MyTracks
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #9103
 Stream1             DEBUG  Added object 9103,"MyTracks"
 Stream1             DEBUG  Collected objects:
 Stream1             DEBUG  Object/count: EventInfo_McEventInfo, 13
@@ -1365,11 +1405,13 @@ Stream1             DEBUG addItemObjects(2101,"*") called
 Stream1             DEBUG            Key:*
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #2101
 Stream1             DEBUG  Added object 2101,"McEventInfo"
 Stream1             DEBUG addItemObjects(9103,"MyTracks") called
 Stream1             DEBUG            Key:MyTracks
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #9103
 Stream1             DEBUG  Added object 9103,"MyTracks"
 Stream1             DEBUG  Collected objects:
 Stream1             DEBUG  Object/count: EventInfo_McEventInfo, 14
@@ -1440,11 +1482,13 @@ Stream1             DEBUG addItemObjects(2101,"*") called
 Stream1             DEBUG            Key:*
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #2101
 Stream1             DEBUG  Added object 2101,"McEventInfo"
 Stream1             DEBUG addItemObjects(9103,"MyTracks") called
 Stream1             DEBUG            Key:MyTracks
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #9103
 Stream1             DEBUG  Added object 9103,"MyTracks"
 Stream1             DEBUG  Collected objects:
 Stream1             DEBUG  Object/count: EventInfo_McEventInfo, 15
@@ -1515,11 +1559,13 @@ Stream1             DEBUG addItemObjects(2101,"*") called
 Stream1             DEBUG            Key:*
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #2101
 Stream1             DEBUG  Added object 2101,"McEventInfo"
 Stream1             DEBUG addItemObjects(9103,"MyTracks") called
 Stream1             DEBUG            Key:MyTracks
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #9103
 Stream1             DEBUG  Added object 9103,"MyTracks"
 Stream1             DEBUG  Collected objects:
 Stream1             DEBUG  Object/count: EventInfo_McEventInfo, 16
@@ -1590,11 +1636,13 @@ Stream1             DEBUG addItemObjects(2101,"*") called
 Stream1             DEBUG            Key:*
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #2101
 Stream1             DEBUG  Added object 2101,"McEventInfo"
 Stream1             DEBUG addItemObjects(9103,"MyTracks") called
 Stream1             DEBUG            Key:MyTracks
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #9103
 Stream1             DEBUG  Added object 9103,"MyTracks"
 Stream1             DEBUG  Collected objects:
 Stream1             DEBUG  Object/count: EventInfo_McEventInfo, 17
@@ -1665,11 +1713,13 @@ Stream1             DEBUG addItemObjects(2101,"*") called
 Stream1             DEBUG            Key:*
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #2101
 Stream1             DEBUG  Added object 2101,"McEventInfo"
 Stream1             DEBUG addItemObjects(9103,"MyTracks") called
 Stream1             DEBUG            Key:MyTracks
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #9103
 Stream1             DEBUG  Added object 9103,"MyTracks"
 Stream1             DEBUG  Collected objects:
 Stream1             DEBUG  Object/count: EventInfo_McEventInfo, 18
@@ -1740,11 +1790,13 @@ Stream1             DEBUG addItemObjects(2101,"*") called
 Stream1             DEBUG            Key:*
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #2101
 Stream1             DEBUG  Added object 2101,"McEventInfo"
 Stream1             DEBUG addItemObjects(9103,"MyTracks") called
 Stream1             DEBUG            Key:MyTracks
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #9103
 Stream1             DEBUG  Added object 9103,"MyTracks"
 Stream1             DEBUG  Collected objects:
 Stream1             DEBUG  Object/count: EventInfo_McEventInfo, 19
@@ -1815,11 +1867,13 @@ Stream1             DEBUG addItemObjects(2101,"*") called
 Stream1             DEBUG            Key:*
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #2101
 Stream1             DEBUG  Added object 2101,"McEventInfo"
 Stream1             DEBUG addItemObjects(9103,"MyTracks") called
 Stream1             DEBUG            Key:MyTracks
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #9103
 Stream1             DEBUG  Added object 9103,"MyTracks"
 Stream1             DEBUG  Collected objects:
 Stream1             DEBUG  Object/count: EventInfo_McEventInfo, 20
@@ -1827,6 +1881,7 @@ Stream1             DEBUG  Object/count: ExampleTrackContainer_MyTracks, 20
 Stream1             DEBUG connectOutput done for SimplePoolFile3.root
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #19, run #1 20 events processed so far  <<<===
 MetaDataSvc         DEBUG handle() EndInputFile for FID:????
+MetaDataSvc         DEBUG retireMetadataSource: FID:????
 EventSelector        INFO Disconnecting input sourceID: ????
 Domain[ROOT_All]     INFO ->  Deaccess DbDatabase   READ      [ROOT_All] ????
 Domain[ROOT_All]     INFO >   Deaccess DbDomain     READ      [ROOT_All] 
@@ -1836,16 +1891,24 @@ MetaDataSvc         DEBUG MetaDataSvc::stop()
 Stream1             DEBUG slot 0  handle() incident type: MetaDataStop
 MetaDataSvc         DEBUG  calling metaDataStop for ToolSvc.IOVDbMetaDataTool
 MetaDataSvc         DEBUG Locking metadata tools
-Stream1             DEBUG metadataItemList: [EventStreamInfo#Stream1, IOVMetaDataContainer#*]
+Stream1             DEBUG metadataItemList: [EventStreamInfo#Stream1, IOVMetaDataContainer#*, xAOD::EventFormat#EventFormatStream1]
 Stream1             DEBUG addItemObjects(167728019,"Stream1") called
 Stream1             DEBUG            Key:Stream1
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Transforming MetaCont<EventStreamInfo> to EventStreamInfo for output
 Stream1             DEBUG  Added object 167728019,"Stream1"
+Stream1             DEBUG addItemObjects(243004407,"EventFormatStream1") called
+Stream1             DEBUG            Key:EventFormatStream1
+Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
+Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Transforming MetaCont<xAOD::EventFormat> to xAOD::EventFormat for output
+Stream1             DEBUG  Added object 243004407,"EventFormatStream1"
 Stream1             DEBUG addItemObjects(1316383046,"*") called
 Stream1             DEBUG            Key:*
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #1316383046
 Stream1             DEBUG connectOutput done for SimplePoolFile3.root
 StorageSvc           INFO Building shape according to reflection information using shape ID for:
 StorageSvc           INFO EventStreamInfo_p3 [????]
@@ -1859,20 +1922,33 @@ SimplePoolFile3...  DEBUG ---->ClassID:????
 SimplePoolFile3...  DEBUG --->Adding Shape[6 , ????]:  [1 Column(s)] 
 SimplePoolFile3...  DEBUG ---->Class:EventStreamInfo_p3
 SimplePoolFile3...  DEBUG ---->[0]:EventStreamInfo_p3 Typ:EventStreamInfo_p3 [21] Size:0 Offset:0 #Elements:1
+StorageSvc           INFO Building shape according to reflection information using shape ID for:
+StorageSvc           INFO xAOD::EventFormat_v1 [????]
+SimplePoolFile3...  DEBUG --> Access   DbContainer  CREA/UPDA [ROOT_Tree] MetaData(xAOD::EventFormat_v1/EventFormatStream1)
+MetaData(xAOD::...  DEBUG Opening
+MetaData(xAOD::...  DEBUG    attributes# = 1
+MetaData(xAOD::...  DEBUG Branch container 'xAOD::EventFormat_v1_EventFormatStream1'
+MetaData(xAOD::...  DEBUG Opened container MetaData(xAOD::EventFormat_v1/EventFormatStream1) of type ROOT_Tree
+SimplePoolFile3...  DEBUG --->Adding Assoc :????/MetaData(xAOD::EventFormat_v1/EventFormatStream1) [20?]  (c , ffffffff)
+SimplePoolFile3...  DEBUG ---->ClassID:????
+SimplePoolFile3...  DEBUG --->Adding Shape[7 , ????]:  [1 Column(s)] 
+SimplePoolFile3...  DEBUG ---->Class:xAOD::EventFormat_v1
+SimplePoolFile3...  DEBUG ---->[0]:xAOD::EventFormat_v1 Typ:xAOD::EventFormat_v1 [21] Size:0 Offset:0 #Elements:1
 SimplePoolFile3...  DEBUG --> Access   DbContainer  CREA/UPDA [ROOT_Tree] MetaDataHdr(DataHeader)
 MetaDataHdr(Dat...  DEBUG Opening
 MetaDataHdr(Dat...  DEBUG    attributes# = 1
 MetaDataHdr(Dat...  DEBUG Branch container 'DataHeader'
 MetaDataHdr(Dat...  DEBUG Opened container MetaDataHdr(DataHeader) of type ROOT_Tree
-SimplePoolFile3...  DEBUG --->Adding Assoc :????/MetaDataHdr(DataHeader) [20?]  (c , ffffffff)
+SimplePoolFile3...  DEBUG --->Adding Assoc :????/MetaDataHdr(DataHeader) [20?]  (d , ffffffff)
 SimplePoolFile3...  DEBUG ---->ClassID:????
 SimplePoolFile3...  DEBUG --> Access   DbContainer  CREA/UPDA [ROOT_Tree] MetaDataHdrForm(DataHeaderForm)
 MetaDataHdrForm...  DEBUG Opening
 MetaDataHdrForm...  DEBUG    attributes# = 1
 MetaDataHdrForm...  DEBUG Branch container 'DataHeaderForm'
 MetaDataHdrForm...  DEBUG Opened container MetaDataHdrForm(DataHeaderForm) of type ROOT_Tree
-SimplePoolFile3...  DEBUG --->Adding Assoc :????/MetaDataHdrForm(DataHeaderForm) [20?]  (d , ffffffff)
+SimplePoolFile3...  DEBUG --->Adding Assoc :????/MetaDataHdrForm(DataHeaderForm) [20?]  (e , ffffffff)
 SimplePoolFile3...  DEBUG ---->ClassID:????
+ClassIDSvc           INFO  getRegistryEntries: read 7 CLIDRegistry entries for module ALL
 Stream1              INFO Metadata records written: 21
 MetaDataSvc         DEBUG Unlocking metadata tools
 Stream1             DEBUG Leaving incident handler for MetaDataStop
@@ -1893,13 +1969,13 @@ ToolSvc              INFO Removing all tools created by ToolSvc
 *****Chrono*****     INFO ****************************************************************************************************
 *****Chrono*****     INFO  The Final CPU consumption ( Chrono ) Table (ordered)
 *****Chrono*****     INFO ****************************************************************************************************
-cRep_ALL             INFO Time User   : Tot=    0 [us] Ave/Min/Max=       0(+-       0)/       0/       0 [us] #= 62
-cObjR_ALL            INFO Time User   : Tot=    0 [us] Ave/Min/Max=       0(+-       0)/       0/       0 [us] #= 66
 commitOutput         INFO Time User   : Tot=    0 [us] Ave/Min/Max=       0(+-       0)/       0/       0 [us] #= 21
-cObj_ALL             INFO Time User   : Tot=   10 [ms] Ave/Min/Max=   0.159(+-    1.25)/       0/      10 [ms] #= 63
-fRep_ALL             INFO Time User   : Tot=   20 [ms] Ave/Min/Max=   0.323(+-    1.77)/       0/      10 [ms] #= 62
-cRepR_ALL            INFO Time User   : Tot=   20 [ms] Ave/Min/Max=   0.139(+-    1.17)/       0/      10 [ms] #=144
-ChronoStatSvc        INFO Time User   : Tot=  280 [ms]  #=  1
+cObjR_ALL            INFO Time User   : Tot=    0 [us] Ave/Min/Max=       0(+-       0)/       0/       0 [us] #= 66
+cRep_ALL             INFO Time User   : Tot=   10 [ms] Ave/Min/Max=   0.159(+-    1.25)/       0/      10 [ms] #= 63
+cObj_ALL             INFO Time User   : Tot=   20 [ms] Ave/Min/Max=   0.317(+-    1.75)/       0/      10 [ms] #= 63
+cRepR_ALL            INFO Time User   : Tot=   10 [ms] Ave/Min/Max=   0.069(+-   0.828)/       0/      10 [ms] #=145
+fRep_ALL             INFO Time User   : Tot=   20 [ms] Ave/Min/Max=   0.317(+-    1.75)/       0/      10 [ms] #= 63
+ChronoStatSvc        INFO Time User   : Tot=  210 [ms]  #=  1
 *****Chrono*****     INFO ****************************************************************************************************
 ChronoStatSvc.f...   INFO  Service finalized successfully 
 ApplicationMgr       INFO Application Manager Finalized successfully
diff --git a/Database/AthenaPOOL/AthenaPoolExample/AthenaPoolExampleAlgorithms/share/AthenaPoolExample_ReWriteAgain.ref b/Database/AthenaPOOL/AthenaPoolExample/AthenaPoolExampleAlgorithms/share/AthenaPoolExample_ReWriteAgain.ref
index 4ec01f4e859a4e072d09b64e053436aa9dead769..758f74e9a89fccf603209502dc68a832ba059514 100644
--- a/Database/AthenaPOOL/AthenaPoolExample/AthenaPoolExampleAlgorithms/share/AthenaPoolExample_ReWriteAgain.ref
+++ b/Database/AthenaPOOL/AthenaPoolExample/AthenaPoolExampleAlgorithms/share/AthenaPoolExample_ReWriteAgain.ref
@@ -1,17 +1,17 @@
-Wed Sep 23 17:41:03 CEST 20?0
+Tue Oct  6 16:04:03 CEST 20?0
 Preloading tcmalloc_minimal.so
 Athena               INFO including file "AthenaCommon/Preparation.py"
 Athena               INFO including file "AthenaCommon/Atlas.UnixStandardJob.py"
 Athena               INFO executing ROOT6Setup
 Athena               INFO including file "AthenaCommon/Execution.py"
 Athena               INFO including file "AthenaPoolExampleAlgorithms/AthenaPoolExample_ReWriteAgainJobOptions.py"
-Py:ConfigurableDb    INFO Read module info for 5565 configurables from 45 genConfDb files
+Py:ConfigurableDb    INFO Read module info for 5569 configurables from 4 genConfDb files
 Py:ConfigurableDb    INFO No duplicates have been found: that's good !
 Athena               INFO including file "AthenaCommon/runbatch.py"
 ApplicationMgr    SUCCESS 
 ====================================================================================================================================
                                                    Welcome to ApplicationMgr (GaudiCoreSvc v34r0)
-                                          running on lxplus750.cern.ch on Wed Sep 23 17:41:10 20?0
+                                          running on 58dd451bc47f on Tue Oct  6 16:04:09 20?0
 ====================================================================================================================================
 ApplicationMgr       INFO Application Manager Configured successfully
 AthDictLoaderSvc     INFO in initialize...
@@ -31,9 +31,10 @@ PoolSvc             DEBUG Property update for OutputLevel : new value = 2
 PoolSvc             DEBUG Service base class initialized successfully
 PoolSvc              INFO Set connectionsvc retry/timeout/IDLE timeout to  'ConnectionRetrialPeriod':300/ 'ConnectionRetrialTimeOut':3600/ 'ConnectionTimeOut':5 seconds with connection cleanup disabled
 PoolSvc              INFO Frontier compression level set to 5
-DBReplicaSvc         INFO Frontier server at (serverurl=http://atlasfrontier-local.cern.ch:8000/atlr)(serverurl=http://atlasfrontier-ai.cern.ch:8000/atlr)(serverurl=http://ccfrontier.in2p3.fr:23128/ccin2p3-AtlasFrontier)(proxyurl=http://ca-proxy-atlas.cern.ch:3128)(proxyurl=http://ca-proxy-meyrin.cern.ch:3128)(proxyurl=http://ca-proxy.cern.ch:3128)(proxyurl=http://atlasbpfrontier.cern.ch:3127)(proxyurl=http://atlasbpfrontier.fnal.gov:3127) will be considered for COOL data
-DBReplicaSvc         INFO Read replica configuration from /cvmfs/atlas-nightlies.cern.ch/repo/sw/master_Athena_x86_64-centos7-gcc8-opt/20?0-09-22T2101/Athena/22.0.18/InstallArea/x86_64-centos7-gcc8-opt/share/dbreplica.config
-DBReplicaSvc         INFO Total of 10 servers found for host lxplus750.cern.ch [ATLF ATLAS_COOLPROD atlas_dd ATLAS_CONFIG INT8R INTR ATONR_COOL ATONR_CONF DEVDB11 ATLF ]
+DBReplicaSvc         INFO Frontier server at (serverurl=http://atlasfrontier-ai.cern.ch:8000/atlr)(serverurl=http://frontier-atlas.lcg.triumf.ca:3128/ATLAS_frontier)(serverurl=http://ccfrontier.in2p3.fr:23128/ccin2p3-AtlasFrontier)(proxyurl=http://atlasbpfrontier.cern.ch:3127)(proxyurl=http://atlasbpfrontier.fnal.gov:3127) will be considered for COOL data
+DBReplicaSvc         INFO Read replica configuration from /cvmfs/atlas-nightlies.cern.ch/repo/sw/master_Athena_x86_64-centos7-gcc8-opt/20?0-10-05T2101/Athena/22.0.19/InstallArea/x86_64-centos7-gcc8-opt/share/dbreplica.config
+DBReplicaSvc         INFO No specific match for domain found - use default fallback
+DBReplicaSvc         INFO Total of 2 servers found for host 58dd451bc47f [ATLF atlas_dd ]
 PoolSvc              INFO Successfully setup replica sorting algorithm
 PoolSvc             DEBUG OutputLevel is 2
 PoolSvc              INFO Setting up APR FileCatalog and Streams
@@ -76,7 +77,9 @@ SimplePoolRepli...  DEBUG --->Reading Shape[8 , ????]: [1 Column(s)]
 SimplePoolRepli...  DEBUG ---->[0]:float Typ:float [10] Size:0 Offset:0 #Elements:1
 SimplePoolRepli...  DEBUG --->Reading Shape[9 , ????]: [1 Column(s)]
 SimplePoolRepli...  DEBUG ---->[0]:EventStreamInfo_p3 Typ:EventStreamInfo_p3 [21] Size:0 Offset:0 #Elements:1
-##Shapes            DEBUG No objects passing selection criteria... Container has 10 Entries in total.
+SimplePoolRepli...  DEBUG --->Reading Shape[10 , ????]: [1 Column(s)]
+SimplePoolRepli...  DEBUG ---->[0]:xAOD::EventFormat_v1 Typ:xAOD::EventFormat_v1 [21] Size:0 Offset:0 #Elements:1
+##Shapes            DEBUG No objects passing selection criteria... Container has 11 Entries in total.
 SimplePoolRepli...  DEBUG --> Access   DbContainer  READ      [ROOT_All] ##Links
 ##Links             DEBUG Opening
 ##Links             DEBUG    attributes# = 1
@@ -119,11 +122,13 @@ SimplePoolRepli...  DEBUG --->Reading Assoc:????/POOLCollectionTree(EventWeight)
 SimplePoolRepli...  DEBUG ---->ClassID:????
 SimplePoolRepli...  DEBUG --->Reading Assoc:????/MetaData(EventStreamInfo_p3/Stream1) [20?]  (14 , ffffffff)
 SimplePoolRepli...  DEBUG ---->ClassID:????
-SimplePoolRepli...  DEBUG --->Reading Assoc:????/MetaDataHdr(DataHeader) [20?]  (15 , ffffffff)
+SimplePoolRepli...  DEBUG --->Reading Assoc:????/MetaData(xAOD::EventFormat_v1/EventFormatStream1) [20?]  (15 , ffffffff)
 SimplePoolRepli...  DEBUG ---->ClassID:????
-SimplePoolRepli...  DEBUG --->Reading Assoc:????/MetaDataHdrForm(DataHeaderForm) [20?]  (16 , ffffffff)
+SimplePoolRepli...  DEBUG --->Reading Assoc:????/MetaDataHdr(DataHeader) [20?]  (16 , ffffffff)
 SimplePoolRepli...  DEBUG ---->ClassID:????
-##Links             DEBUG No objects passing selection criteria... Container has 21 Entries in total.
+SimplePoolRepli...  DEBUG --->Reading Assoc:????/MetaDataHdrForm(DataHeaderForm) [20?]  (17 , ffffffff)
+SimplePoolRepli...  DEBUG ---->ClassID:????
+##Links             DEBUG No objects passing selection criteria... Container has 22 Entries in total.
 SimplePoolRepli...  DEBUG --> Access   DbContainer  READ      [ROOT_All] ##Params
 ##Params            DEBUG Opening
 ##Params            DEBUG    attributes# = 1
@@ -185,16 +190,21 @@ Stream1.Stream1...  DEBUG Property update for OutputLevel : new value = 2
 Stream1.Stream1...   INFO Initializing Stream1.Stream1Tool - package version AthenaServices-00-00-00
 Stream1.Stream1...  DEBUG Property update for OutputLevel : new value = 2
 Stream1.Stream1...   INFO Initializing Stream1.Stream1_MakeEventStreamInfo - package version OutputStreamAthenaPool-00-00-00
+Stream1.Stream1...  DEBUG Property update for OutputLevel : new value = 2
 Stream1.Thinnin...  DEBUG Property update for OutputLevel : new value = 2
-Stream1              INFO Found HelperTools = PrivateToolHandleArray(['MakeEventStreamInfo/Stream1_MakeEventStreamInfo','Athena::ThinningCacheTool/ThinningCacheTool_Stream1'])
+Stream1              INFO Found HelperTools = PrivateToolHandleArray(['MakeEventStreamInfo/Stream1_MakeEventStreamInfo','xAODMaker::EventFormatStreamHelperTool/Stream1_MakeEventFormat','Athena::ThinningCacheTool/ThinningCacheTool_Stream1'])
 Stream1              INFO Data output: SimplePoolFile3.root
+ClassIDSvc           INFO  getRegistryEntries: read 171 CLIDRegistry entries for module ALL
+MetaDataSvc         DEBUG MetaDataSvc will handle ClassID 167728019
 Stream1              INFO I/O reinitialization...
+MetaDataSvc         DEBUG MetaDataSvc will handle ClassID 167728019
 Stream1.Stream1...  DEBUG Property update for OutputLevel : new value = 2
 Stream1             DEBUG End initialize
 Stream1             DEBUG input handles: 0
 Stream1             DEBUG output handles: 2
 Stream1             DEBUG Registering all Tools in ToolHandleArray HelperTools
 Stream1             DEBUG Adding private ToolHandle tool Stream1.Stream1_MakeEventStreamInfo (MakeEventStreamInfo)
+Stream1             DEBUG Adding private ToolHandle tool Stream1.Stream1_MakeEventFormat (xAODMaker::EventFormatStreamHelperTool)
 Stream1             DEBUG Adding private ToolHandle tool Stream1.ThinningCacheTool_Stream1 (Athena::ThinningCacheTool)
 Stream1             DEBUG Adding private ToolHandle tool Stream1.Stream1Tool (AthenaOutputStreamTool)
 Stream1             DEBUG Data Deps for Stream1
@@ -308,11 +318,13 @@ Stream1             DEBUG addItemObjects(2101,"*") called
 Stream1             DEBUG            Key:*
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #2101
 Stream1             DEBUG  Added object 2101,"McEventInfo"
 Stream1             DEBUG addItemObjects(9103,"MyTracks") called
 Stream1             DEBUG            Key:MyTracks
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #9103
 Stream1             DEBUG  Added object 9103,"MyTracks"
 Stream1             DEBUG  Collected objects:
 Stream1             DEBUG  Object/count: EventInfo_McEventInfo, 1
@@ -423,6 +435,10 @@ SimplePoolFile3...  DEBUG --->Adding Assoc :????/POOLCollectionTree(MagicNumber)
 SimplePoolFile3...  DEBUG ---->ClassID:????
 AthenaPoolCnvSvc    DEBUG setAttribute BRANCH_BASKET_SIZE to 256000 for db: SimplePoolFile3.root and cont: POOLContainer(DataHeader)
 AthenaPoolCnvSvc    DEBUG setAttribute BRANCH_BASKET_SIZE to 1024000 for db: SimplePoolFile3.root and cont: POOLContainerForm(DataHeaderForm)
+MetaDataSvc         DEBUG MetaDataSvc will handle ClassID 167728019
+MetaDataSvc         DEBUG MetaDataSvc will handle ClassID 167728019
+MetaDataSvc         DEBUG MetaDataSvc will handle ClassID 243004407
+MetaDataSvc         DEBUG MetaDataSvc will handle ClassID 243004407
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #0, run #1 1 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
 EventSelector       DEBUG AttributeList size 12
@@ -488,11 +504,13 @@ Stream1             DEBUG addItemObjects(2101,"*") called
 Stream1             DEBUG            Key:*
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #2101
 Stream1             DEBUG  Added object 2101,"McEventInfo"
 Stream1             DEBUG addItemObjects(9103,"MyTracks") called
 Stream1             DEBUG            Key:MyTracks
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #9103
 Stream1             DEBUG  Added object 9103,"MyTracks"
 Stream1             DEBUG  Collected objects:
 Stream1             DEBUG  Object/count: EventInfo_McEventInfo, 2
@@ -563,11 +581,13 @@ Stream1             DEBUG addItemObjects(2101,"*") called
 Stream1             DEBUG            Key:*
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #2101
 Stream1             DEBUG  Added object 2101,"McEventInfo"
 Stream1             DEBUG addItemObjects(9103,"MyTracks") called
 Stream1             DEBUG            Key:MyTracks
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #9103
 Stream1             DEBUG  Added object 9103,"MyTracks"
 Stream1             DEBUG  Collected objects:
 Stream1             DEBUG  Object/count: EventInfo_McEventInfo, 3
@@ -638,11 +658,13 @@ Stream1             DEBUG addItemObjects(2101,"*") called
 Stream1             DEBUG            Key:*
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #2101
 Stream1             DEBUG  Added object 2101,"McEventInfo"
 Stream1             DEBUG addItemObjects(9103,"MyTracks") called
 Stream1             DEBUG            Key:MyTracks
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #9103
 Stream1             DEBUG  Added object 9103,"MyTracks"
 Stream1             DEBUG  Collected objects:
 Stream1             DEBUG  Object/count: EventInfo_McEventInfo, 4
@@ -713,11 +735,13 @@ Stream1             DEBUG addItemObjects(2101,"*") called
 Stream1             DEBUG            Key:*
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #2101
 Stream1             DEBUG  Added object 2101,"McEventInfo"
 Stream1             DEBUG addItemObjects(9103,"MyTracks") called
 Stream1             DEBUG            Key:MyTracks
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #9103
 Stream1             DEBUG  Added object 9103,"MyTracks"
 Stream1             DEBUG  Collected objects:
 Stream1             DEBUG  Object/count: EventInfo_McEventInfo, 5
@@ -788,11 +812,13 @@ Stream1             DEBUG addItemObjects(2101,"*") called
 Stream1             DEBUG            Key:*
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #2101
 Stream1             DEBUG  Added object 2101,"McEventInfo"
 Stream1             DEBUG addItemObjects(9103,"MyTracks") called
 Stream1             DEBUG            Key:MyTracks
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #9103
 Stream1             DEBUG  Added object 9103,"MyTracks"
 Stream1             DEBUG  Collected objects:
 Stream1             DEBUG  Object/count: EventInfo_McEventInfo, 6
@@ -863,11 +889,13 @@ Stream1             DEBUG addItemObjects(2101,"*") called
 Stream1             DEBUG            Key:*
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #2101
 Stream1             DEBUG  Added object 2101,"McEventInfo"
 Stream1             DEBUG addItemObjects(9103,"MyTracks") called
 Stream1             DEBUG            Key:MyTracks
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #9103
 Stream1             DEBUG  Added object 9103,"MyTracks"
 Stream1             DEBUG  Collected objects:
 Stream1             DEBUG  Object/count: EventInfo_McEventInfo, 7
@@ -938,11 +966,13 @@ Stream1             DEBUG addItemObjects(2101,"*") called
 Stream1             DEBUG            Key:*
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #2101
 Stream1             DEBUG  Added object 2101,"McEventInfo"
 Stream1             DEBUG addItemObjects(9103,"MyTracks") called
 Stream1             DEBUG            Key:MyTracks
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #9103
 Stream1             DEBUG  Added object 9103,"MyTracks"
 Stream1             DEBUG  Collected objects:
 Stream1             DEBUG  Object/count: EventInfo_McEventInfo, 8
@@ -1013,11 +1043,13 @@ Stream1             DEBUG addItemObjects(2101,"*") called
 Stream1             DEBUG            Key:*
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #2101
 Stream1             DEBUG  Added object 2101,"McEventInfo"
 Stream1             DEBUG addItemObjects(9103,"MyTracks") called
 Stream1             DEBUG            Key:MyTracks
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #9103
 Stream1             DEBUG  Added object 9103,"MyTracks"
 Stream1             DEBUG  Collected objects:
 Stream1             DEBUG  Object/count: EventInfo_McEventInfo, 9
@@ -1088,11 +1120,13 @@ Stream1             DEBUG addItemObjects(2101,"*") called
 Stream1             DEBUG            Key:*
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #2101
 Stream1             DEBUG  Added object 2101,"McEventInfo"
 Stream1             DEBUG addItemObjects(9103,"MyTracks") called
 Stream1             DEBUG            Key:MyTracks
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #9103
 Stream1             DEBUG  Added object 9103,"MyTracks"
 Stream1             DEBUG  Collected objects:
 Stream1             DEBUG  Object/count: EventInfo_McEventInfo, 10
@@ -1163,11 +1197,13 @@ Stream1             DEBUG addItemObjects(2101,"*") called
 Stream1             DEBUG            Key:*
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #2101
 Stream1             DEBUG  Added object 2101,"McEventInfo"
 Stream1             DEBUG addItemObjects(9103,"MyTracks") called
 Stream1             DEBUG            Key:MyTracks
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #9103
 Stream1             DEBUG  Added object 9103,"MyTracks"
 Stream1             DEBUG  Collected objects:
 Stream1             DEBUG  Object/count: EventInfo_McEventInfo, 11
@@ -1238,11 +1274,13 @@ Stream1             DEBUG addItemObjects(2101,"*") called
 Stream1             DEBUG            Key:*
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #2101
 Stream1             DEBUG  Added object 2101,"McEventInfo"
 Stream1             DEBUG addItemObjects(9103,"MyTracks") called
 Stream1             DEBUG            Key:MyTracks
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #9103
 Stream1             DEBUG  Added object 9103,"MyTracks"
 Stream1             DEBUG  Collected objects:
 Stream1             DEBUG  Object/count: EventInfo_McEventInfo, 12
@@ -1313,11 +1351,13 @@ Stream1             DEBUG addItemObjects(2101,"*") called
 Stream1             DEBUG            Key:*
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #2101
 Stream1             DEBUG  Added object 2101,"McEventInfo"
 Stream1             DEBUG addItemObjects(9103,"MyTracks") called
 Stream1             DEBUG            Key:MyTracks
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #9103
 Stream1             DEBUG  Added object 9103,"MyTracks"
 Stream1             DEBUG  Collected objects:
 Stream1             DEBUG  Object/count: EventInfo_McEventInfo, 13
@@ -1388,11 +1428,13 @@ Stream1             DEBUG addItemObjects(2101,"*") called
 Stream1             DEBUG            Key:*
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #2101
 Stream1             DEBUG  Added object 2101,"McEventInfo"
 Stream1             DEBUG addItemObjects(9103,"MyTracks") called
 Stream1             DEBUG            Key:MyTracks
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #9103
 Stream1             DEBUG  Added object 9103,"MyTracks"
 Stream1             DEBUG  Collected objects:
 Stream1             DEBUG  Object/count: EventInfo_McEventInfo, 14
@@ -1463,11 +1505,13 @@ Stream1             DEBUG addItemObjects(2101,"*") called
 Stream1             DEBUG            Key:*
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #2101
 Stream1             DEBUG  Added object 2101,"McEventInfo"
 Stream1             DEBUG addItemObjects(9103,"MyTracks") called
 Stream1             DEBUG            Key:MyTracks
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #9103
 Stream1             DEBUG  Added object 9103,"MyTracks"
 Stream1             DEBUG  Collected objects:
 Stream1             DEBUG  Object/count: EventInfo_McEventInfo, 15
@@ -1538,11 +1582,13 @@ Stream1             DEBUG addItemObjects(2101,"*") called
 Stream1             DEBUG            Key:*
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #2101
 Stream1             DEBUG  Added object 2101,"McEventInfo"
 Stream1             DEBUG addItemObjects(9103,"MyTracks") called
 Stream1             DEBUG            Key:MyTracks
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #9103
 Stream1             DEBUG  Added object 9103,"MyTracks"
 Stream1             DEBUG  Collected objects:
 Stream1             DEBUG  Object/count: EventInfo_McEventInfo, 16
@@ -1613,11 +1659,13 @@ Stream1             DEBUG addItemObjects(2101,"*") called
 Stream1             DEBUG            Key:*
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #2101
 Stream1             DEBUG  Added object 2101,"McEventInfo"
 Stream1             DEBUG addItemObjects(9103,"MyTracks") called
 Stream1             DEBUG            Key:MyTracks
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #9103
 Stream1             DEBUG  Added object 9103,"MyTracks"
 Stream1             DEBUG  Collected objects:
 Stream1             DEBUG  Object/count: EventInfo_McEventInfo, 17
@@ -1688,11 +1736,13 @@ Stream1             DEBUG addItemObjects(2101,"*") called
 Stream1             DEBUG            Key:*
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #2101
 Stream1             DEBUG  Added object 2101,"McEventInfo"
 Stream1             DEBUG addItemObjects(9103,"MyTracks") called
 Stream1             DEBUG            Key:MyTracks
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #9103
 Stream1             DEBUG  Added object 9103,"MyTracks"
 Stream1             DEBUG  Collected objects:
 Stream1             DEBUG  Object/count: EventInfo_McEventInfo, 18
@@ -1763,11 +1813,13 @@ Stream1             DEBUG addItemObjects(2101,"*") called
 Stream1             DEBUG            Key:*
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #2101
 Stream1             DEBUG  Added object 2101,"McEventInfo"
 Stream1             DEBUG addItemObjects(9103,"MyTracks") called
 Stream1             DEBUG            Key:MyTracks
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #9103
 Stream1             DEBUG  Added object 9103,"MyTracks"
 Stream1             DEBUG  Collected objects:
 Stream1             DEBUG  Object/count: EventInfo_McEventInfo, 19
@@ -1838,11 +1890,13 @@ Stream1             DEBUG addItemObjects(2101,"*") called
 Stream1             DEBUG            Key:*
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #2101
 Stream1             DEBUG  Added object 2101,"McEventInfo"
 Stream1             DEBUG addItemObjects(9103,"MyTracks") called
 Stream1             DEBUG            Key:MyTracks
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #9103
 Stream1             DEBUG  Added object 9103,"MyTracks"
 Stream1             DEBUG  Collected objects:
 Stream1             DEBUG  Object/count: EventInfo_McEventInfo, 20
@@ -1850,6 +1904,7 @@ Stream1             DEBUG  Object/count: ExampleTrackContainer_MyTracks, 20
 Stream1             DEBUG connectOutput done for SimplePoolFile3.root
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #19, run #1 20 events processed so far  <<<===
 MetaDataSvc         DEBUG handle() EndInputFile for FID:????
+MetaDataSvc         DEBUG retireMetadataSource: FID:????
 EventSelector        INFO Disconnecting input sourceID: ????
 Domain[ROOT_All]     INFO ->  Deaccess DbDatabase   READ      [ROOT_All] ????
 Domain[ROOT_All]     INFO >   Deaccess DbDomain     READ      [ROOT_All] 
@@ -1859,16 +1914,24 @@ MetaDataSvc         DEBUG MetaDataSvc::stop()
 Stream1             DEBUG slot 0  handle() incident type: MetaDataStop
 MetaDataSvc         DEBUG  calling metaDataStop for ToolSvc.IOVDbMetaDataTool
 MetaDataSvc         DEBUG Locking metadata tools
-Stream1             DEBUG metadataItemList: [EventStreamInfo#Stream1, IOVMetaDataContainer#*]
+Stream1             DEBUG metadataItemList: [EventStreamInfo#Stream1, IOVMetaDataContainer#*, xAOD::EventFormat#EventFormatStream1]
 Stream1             DEBUG addItemObjects(167728019,"Stream1") called
 Stream1             DEBUG            Key:Stream1
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Transforming MetaCont<EventStreamInfo> to EventStreamInfo for output
 Stream1             DEBUG  Added object 167728019,"Stream1"
+Stream1             DEBUG addItemObjects(243004407,"EventFormatStream1") called
+Stream1             DEBUG            Key:EventFormatStream1
+Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
+Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Transforming MetaCont<xAOD::EventFormat> to xAOD::EventFormat for output
+Stream1             DEBUG  Added object 243004407,"EventFormatStream1"
 Stream1             DEBUG addItemObjects(1316383046,"*") called
 Stream1             DEBUG            Key:*
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #1316383046
 Stream1             DEBUG connectOutput done for SimplePoolFile3.root
 StorageSvc           INFO Building shape according to reflection information using shape ID for:
 StorageSvc           INFO EventStreamInfo_p3 [????]
@@ -1882,20 +1945,33 @@ SimplePoolFile3...  DEBUG ---->ClassID:????
 SimplePoolFile3...  DEBUG --->Adding Shape[6 , ????]:  [1 Column(s)] 
 SimplePoolFile3...  DEBUG ---->Class:EventStreamInfo_p3
 SimplePoolFile3...  DEBUG ---->[0]:EventStreamInfo_p3 Typ:EventStreamInfo_p3 [21] Size:0 Offset:0 #Elements:1
+StorageSvc           INFO Building shape according to reflection information using shape ID for:
+StorageSvc           INFO xAOD::EventFormat_v1 [????]
+SimplePoolFile3...  DEBUG --> Access   DbContainer  CREA/UPDA [ROOT_Tree] MetaData(xAOD::EventFormat_v1/EventFormatStream1)
+MetaData(xAOD::...  DEBUG Opening
+MetaData(xAOD::...  DEBUG    attributes# = 1
+MetaData(xAOD::...  DEBUG Branch container 'xAOD::EventFormat_v1_EventFormatStream1'
+MetaData(xAOD::...  DEBUG Opened container MetaData(xAOD::EventFormat_v1/EventFormatStream1) of type ROOT_Tree
+SimplePoolFile3...  DEBUG --->Adding Assoc :????/MetaData(xAOD::EventFormat_v1/EventFormatStream1) [20?]  (c , ffffffff)
+SimplePoolFile3...  DEBUG ---->ClassID:????
+SimplePoolFile3...  DEBUG --->Adding Shape[7 , ????]:  [1 Column(s)] 
+SimplePoolFile3...  DEBUG ---->Class:xAOD::EventFormat_v1
+SimplePoolFile3...  DEBUG ---->[0]:xAOD::EventFormat_v1 Typ:xAOD::EventFormat_v1 [21] Size:0 Offset:0 #Elements:1
 SimplePoolFile3...  DEBUG --> Access   DbContainer  CREA/UPDA [ROOT_Tree] MetaDataHdr(DataHeader)
 MetaDataHdr(Dat...  DEBUG Opening
 MetaDataHdr(Dat...  DEBUG    attributes# = 1
 MetaDataHdr(Dat...  DEBUG Branch container 'DataHeader'
 MetaDataHdr(Dat...  DEBUG Opened container MetaDataHdr(DataHeader) of type ROOT_Tree
-SimplePoolFile3...  DEBUG --->Adding Assoc :????/MetaDataHdr(DataHeader) [20?]  (c , ffffffff)
+SimplePoolFile3...  DEBUG --->Adding Assoc :????/MetaDataHdr(DataHeader) [20?]  (d , ffffffff)
 SimplePoolFile3...  DEBUG ---->ClassID:????
 SimplePoolFile3...  DEBUG --> Access   DbContainer  CREA/UPDA [ROOT_Tree] MetaDataHdrForm(DataHeaderForm)
 MetaDataHdrForm...  DEBUG Opening
 MetaDataHdrForm...  DEBUG    attributes# = 1
 MetaDataHdrForm...  DEBUG Branch container 'DataHeaderForm'
 MetaDataHdrForm...  DEBUG Opened container MetaDataHdrForm(DataHeaderForm) of type ROOT_Tree
-SimplePoolFile3...  DEBUG --->Adding Assoc :????/MetaDataHdrForm(DataHeaderForm) [20?]  (d , ffffffff)
+SimplePoolFile3...  DEBUG --->Adding Assoc :????/MetaDataHdrForm(DataHeaderForm) [20?]  (e , ffffffff)
 SimplePoolFile3...  DEBUG ---->ClassID:????
+ClassIDSvc           INFO  getRegistryEntries: read 7 CLIDRegistry entries for module ALL
 Stream1              INFO Metadata records written: 21
 MetaDataSvc         DEBUG Unlocking metadata tools
 Stream1             DEBUG Leaving incident handler for MetaDataStop
@@ -1916,13 +1992,13 @@ ToolSvc              INFO Removing all tools created by ToolSvc
 *****Chrono*****     INFO ****************************************************************************************************
 *****Chrono*****     INFO  The Final CPU consumption ( Chrono ) Table (ordered)
 *****Chrono*****     INFO ****************************************************************************************************
-cRep_ALL             INFO Time User   : Tot=    0 [us] Ave/Min/Max=       0(+-       0)/       0/       0 [us] #= 62
-cObjR_ALL            INFO Time User   : Tot=    0 [us] Ave/Min/Max=       0(+-       0)/       0/       0 [us] #= 65
 commitOutput         INFO Time User   : Tot=    0 [us] Ave/Min/Max=       0(+-       0)/       0/       0 [us] #= 21
+cRep_ALL             INFO Time User   : Tot=    0 [us] Ave/Min/Max=       0(+-       0)/       0/       0 [us] #= 63
 cObj_ALL             INFO Time User   : Tot=   10 [ms] Ave/Min/Max=   0.159(+-    1.25)/       0/      10 [ms] #= 63
-cRepR_ALL            INFO Time User   : Tot=   10 [ms] Ave/Min/Max=  0.0694(+-    0.83)/       0/      10 [ms] #=144
-fRep_ALL             INFO Time User   : Tot=   20 [ms] Ave/Min/Max=   0.323(+-    1.77)/       0/      10 [ms] #= 62
-ChronoStatSvc        INFO Time User   : Tot=  260 [ms]  #=  1
+cObjR_ALL            INFO Time User   : Tot=   10 [ms] Ave/Min/Max=   0.154(+-    1.23)/       0/      10 [ms] #= 65
+cRepR_ALL            INFO Time User   : Tot=    0 [us] Ave/Min/Max=       0(+-       0)/       0/       0 [us] #=145
+fRep_ALL             INFO Time User   : Tot=   20 [ms] Ave/Min/Max=   0.317(+-    1.75)/       0/      10 [ms] #= 63
+ChronoStatSvc        INFO Time User   : Tot=  180 [ms]  #=  1
 *****Chrono*****     INFO ****************************************************************************************************
 ChronoStatSvc.f...   INFO  Service finalized successfully 
 ApplicationMgr       INFO Application Manager Finalized successfully
diff --git a/Database/AthenaPOOL/AthenaPoolExample/AthenaPoolExampleAlgorithms/share/AthenaPoolExample_ReWriteNext.ref b/Database/AthenaPOOL/AthenaPoolExample/AthenaPoolExampleAlgorithms/share/AthenaPoolExample_ReWriteNext.ref
index 51941979e8ecf7d93a05fdd48378a7ad1b70bdc5..39239bb3182a25bfc1176adf0bd1aad961fe8e2f 100644
--- a/Database/AthenaPOOL/AthenaPoolExample/AthenaPoolExampleAlgorithms/share/AthenaPoolExample_ReWriteNext.ref
+++ b/Database/AthenaPOOL/AthenaPoolExample/AthenaPoolExampleAlgorithms/share/AthenaPoolExample_ReWriteNext.ref
@@ -1,17 +1,17 @@
-Wed Sep 23 16:50:48 CEST 20?0
+Tue Oct  6 16:04:10 CEST 20?0
 Preloading tcmalloc_minimal.so
 Athena               INFO including file "AthenaCommon/Preparation.py"
 Athena               INFO including file "AthenaCommon/Atlas.UnixStandardJob.py"
 Athena               INFO executing ROOT6Setup
 Athena               INFO including file "AthenaCommon/Execution.py"
 Athena               INFO including file "AthenaPoolExampleAlgorithms/AthenaPoolExample_ReWriteNextJobOptions.py"
-Py:ConfigurableDb    INFO Read module info for 5565 configurables from 45 genConfDb files
+Py:ConfigurableDb    INFO Read module info for 5569 configurables from 4 genConfDb files
 Py:ConfigurableDb    INFO No duplicates have been found: that's good !
 Athena               INFO including file "AthenaCommon/runbatch.py"
 ApplicationMgr    SUCCESS 
 ====================================================================================================================================
                                                    Welcome to ApplicationMgr (GaudiCoreSvc v34r0)
-                                          running on lxplus750.cern.ch on Wed Sep 23 16:50:56 20?0
+                                          running on 58dd451bc47f on Tue Oct  6 16:04:15 20?0
 ====================================================================================================================================
 ApplicationMgr       INFO Application Manager Configured successfully
 AthDictLoaderSvc     INFO in initialize...
@@ -31,9 +31,10 @@ PoolSvc             DEBUG Property update for OutputLevel : new value = 2
 PoolSvc             DEBUG Service base class initialized successfully
 PoolSvc              INFO Set connectionsvc retry/timeout/IDLE timeout to  'ConnectionRetrialPeriod':300/ 'ConnectionRetrialTimeOut':3600/ 'ConnectionTimeOut':5 seconds with connection cleanup disabled
 PoolSvc              INFO Frontier compression level set to 5
-DBReplicaSvc         INFO Frontier server at (serverurl=http://atlasfrontier-local.cern.ch:8000/atlr)(serverurl=http://atlasfrontier-ai.cern.ch:8000/atlr)(serverurl=http://ccfrontier.in2p3.fr:23128/ccin2p3-AtlasFrontier)(proxyurl=http://ca-proxy-atlas.cern.ch:3128)(proxyurl=http://ca-proxy-meyrin.cern.ch:3128)(proxyurl=http://ca-proxy.cern.ch:3128)(proxyurl=http://atlasbpfrontier.cern.ch:3127)(proxyurl=http://atlasbpfrontier.fnal.gov:3127) will be considered for COOL data
-DBReplicaSvc         INFO Read replica configuration from /cvmfs/atlas-nightlies.cern.ch/repo/sw/master_Athena_x86_64-centos7-gcc8-opt/20?0-09-22T2101/Athena/22.0.18/InstallArea/x86_64-centos7-gcc8-opt/share/dbreplica.config
-DBReplicaSvc         INFO Total of 10 servers found for host lxplus750.cern.ch [ATLF ATLAS_COOLPROD atlas_dd ATLAS_CONFIG INT8R INTR ATONR_COOL ATONR_CONF DEVDB11 ATLF ]
+DBReplicaSvc         INFO Frontier server at (serverurl=http://atlasfrontier-ai.cern.ch:8000/atlr)(serverurl=http://frontier-atlas.lcg.triumf.ca:3128/ATLAS_frontier)(serverurl=http://ccfrontier.in2p3.fr:23128/ccin2p3-AtlasFrontier)(proxyurl=http://atlasbpfrontier.cern.ch:3127)(proxyurl=http://atlasbpfrontier.fnal.gov:3127) will be considered for COOL data
+DBReplicaSvc         INFO Read replica configuration from /cvmfs/atlas-nightlies.cern.ch/repo/sw/master_Athena_x86_64-centos7-gcc8-opt/20?0-10-05T2101/Athena/22.0.19/InstallArea/x86_64-centos7-gcc8-opt/share/dbreplica.config
+DBReplicaSvc         INFO No specific match for domain found - use default fallback
+DBReplicaSvc         INFO Total of 2 servers found for host 58dd451bc47f [ATLF atlas_dd ]
 PoolSvc              INFO Successfully setup replica sorting algorithm
 PoolSvc             DEBUG OutputLevel is 2
 PoolSvc              INFO Setting up APR FileCatalog and Streams
@@ -70,7 +71,9 @@ SimplePoolFile3...  DEBUG --->Reading Shape[5 , ????]: [1 Column(s)]
 SimplePoolFile3...  DEBUG ---->[0]:unsigned int Typ:unsigned int [3] Size:0 Offset:0 #Elements:1
 SimplePoolFile3...  DEBUG --->Reading Shape[6 , ????]: [1 Column(s)]
 SimplePoolFile3...  DEBUG ---->[0]:EventStreamInfo_p3 Typ:EventStreamInfo_p3 [21] Size:0 Offset:0 #Elements:1
-##Shapes            DEBUG No objects passing selection criteria... Container has 7 Entries in total.
+SimplePoolFile3...  DEBUG --->Reading Shape[7 , ????]: [1 Column(s)]
+SimplePoolFile3...  DEBUG ---->[0]:xAOD::EventFormat_v1 Typ:xAOD::EventFormat_v1 [21] Size:0 Offset:0 #Elements:1
+##Shapes            DEBUG No objects passing selection criteria... Container has 8 Entries in total.
 SimplePoolFile3...  DEBUG --> Access   DbContainer  READ      [ROOT_All] ##Links
 ##Links             DEBUG Opening
 ##Links             DEBUG    attributes# = 1
@@ -95,11 +98,13 @@ SimplePoolFile3...  DEBUG --->Reading Assoc:????/POOLCollectionTree(MagicNumber)
 SimplePoolFile3...  DEBUG ---->ClassID:????
 SimplePoolFile3...  DEBUG --->Reading Assoc:????/MetaData(EventStreamInfo_p3/Stream1) [20?]  (b , ffffffff)
 SimplePoolFile3...  DEBUG ---->ClassID:????
-SimplePoolFile3...  DEBUG --->Reading Assoc:????/MetaDataHdr(DataHeader) [20?]  (c , ffffffff)
+SimplePoolFile3...  DEBUG --->Reading Assoc:????/MetaData(xAOD::EventFormat_v1/EventFormatStream1) [20?]  (c , ffffffff)
 SimplePoolFile3...  DEBUG ---->ClassID:????
-SimplePoolFile3...  DEBUG --->Reading Assoc:????/MetaDataHdrForm(DataHeaderForm) [20?]  (d , ffffffff)
+SimplePoolFile3...  DEBUG --->Reading Assoc:????/MetaDataHdr(DataHeader) [20?]  (d , ffffffff)
 SimplePoolFile3...  DEBUG ---->ClassID:????
-##Links             DEBUG No objects passing selection criteria... Container has 12 Entries in total.
+SimplePoolFile3...  DEBUG --->Reading Assoc:????/MetaDataHdrForm(DataHeaderForm) [20?]  (e , ffffffff)
+SimplePoolFile3...  DEBUG ---->ClassID:????
+##Links             DEBUG No objects passing selection criteria... Container has 13 Entries in total.
 SimplePoolFile3...  DEBUG --> Access   DbContainer  READ      [ROOT_All] ##Params
 ##Params            DEBUG Opening
 ##Params            DEBUG    attributes# = 1
@@ -161,16 +166,21 @@ Stream1.Stream1...  DEBUG Property update for OutputLevel : new value = 2
 Stream1.Stream1...   INFO Initializing Stream1.Stream1Tool - package version AthenaServices-00-00-00
 Stream1.Stream1...  DEBUG Property update for OutputLevel : new value = 2
 Stream1.Stream1...   INFO Initializing Stream1.Stream1_MakeEventStreamInfo - package version OutputStreamAthenaPool-00-00-00
+Stream1.Stream1...  DEBUG Property update for OutputLevel : new value = 2
 Stream1.Thinnin...  DEBUG Property update for OutputLevel : new value = 2
-Stream1              INFO Found HelperTools = PrivateToolHandleArray(['MakeEventStreamInfo/Stream1_MakeEventStreamInfo','Athena::ThinningCacheTool/ThinningCacheTool_Stream1'])
+Stream1              INFO Found HelperTools = PrivateToolHandleArray(['MakeEventStreamInfo/Stream1_MakeEventStreamInfo','xAODMaker::EventFormatStreamHelperTool/Stream1_MakeEventFormat','Athena::ThinningCacheTool/ThinningCacheTool_Stream1'])
 Stream1              INFO Data output: SimplePoolFile4.root
+ClassIDSvc           INFO  getRegistryEntries: read 171 CLIDRegistry entries for module ALL
+MetaDataSvc         DEBUG MetaDataSvc will handle ClassID 167728019
 Stream1              INFO I/O reinitialization...
+MetaDataSvc         DEBUG MetaDataSvc will handle ClassID 167728019
 Stream1.Stream1...  DEBUG Property update for OutputLevel : new value = 2
 Stream1             DEBUG End initialize
 Stream1             DEBUG input handles: 0
 Stream1             DEBUG output handles: 2
 Stream1             DEBUG Registering all Tools in ToolHandleArray HelperTools
 Stream1             DEBUG Adding private ToolHandle tool Stream1.Stream1_MakeEventStreamInfo (MakeEventStreamInfo)
+Stream1             DEBUG Adding private ToolHandle tool Stream1.Stream1_MakeEventFormat (xAODMaker::EventFormatStreamHelperTool)
 Stream1             DEBUG Adding private ToolHandle tool Stream1.ThinningCacheTool_Stream1 (Athena::ThinningCacheTool)
 Stream1             DEBUG Adding private ToolHandle tool Stream1.Stream1Tool (AthenaOutputStreamTool)
 Stream1             DEBUG Data Deps for Stream1
@@ -252,11 +262,13 @@ Stream1             DEBUG addItemObjects(2101,"*") called
 Stream1             DEBUG            Key:*
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #2101
 Stream1             DEBUG  Added object 2101,"McEventInfo"
 Stream1             DEBUG addItemObjects(9103,"MyTracks") called
 Stream1             DEBUG            Key:MyTracks
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #9103
 Stream1             DEBUG  Added object 9103,"MyTracks"
 Stream1             DEBUG  Collected objects:
 Stream1             DEBUG  Object/count: EventInfo_McEventInfo, 1
@@ -366,6 +378,10 @@ SimplePoolFile4...  DEBUG --->Adding Assoc :????/POOLCollectionTree(MagicNumber)
 SimplePoolFile4...  DEBUG ---->ClassID:????
 AthenaPoolCnvSvc    DEBUG setAttribute BRANCH_BASKET_SIZE to 256000 for db: SimplePoolFile4.root and cont: POOLContainer(DataHeader)
 AthenaPoolCnvSvc    DEBUG setAttribute BRANCH_BASKET_SIZE to 1024000 for db: SimplePoolFile4.root and cont: POOLContainerForm(DataHeaderForm)
+MetaDataSvc         DEBUG MetaDataSvc will handle ClassID 167728019
+MetaDataSvc         DEBUG MetaDataSvc will handle ClassID 167728019
+MetaDataSvc         DEBUG MetaDataSvc will handle ClassID 243004407
+MetaDataSvc         DEBUG MetaDataSvc will handle ClassID 243004407
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #0, run #1 1 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
 EventSelector       DEBUG AttributeList size 3
@@ -399,11 +415,13 @@ Stream1             DEBUG addItemObjects(2101,"*") called
 Stream1             DEBUG            Key:*
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #2101
 Stream1             DEBUG  Added object 2101,"McEventInfo"
 Stream1             DEBUG addItemObjects(9103,"MyTracks") called
 Stream1             DEBUG            Key:MyTracks
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #9103
 Stream1             DEBUG  Added object 9103,"MyTracks"
 Stream1             DEBUG  Collected objects:
 Stream1             DEBUG  Object/count: EventInfo_McEventInfo, 2
@@ -442,11 +460,13 @@ Stream1             DEBUG addItemObjects(2101,"*") called
 Stream1             DEBUG            Key:*
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #2101
 Stream1             DEBUG  Added object 2101,"McEventInfo"
 Stream1             DEBUG addItemObjects(9103,"MyTracks") called
 Stream1             DEBUG            Key:MyTracks
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #9103
 Stream1             DEBUG  Added object 9103,"MyTracks"
 Stream1             DEBUG  Collected objects:
 Stream1             DEBUG  Object/count: EventInfo_McEventInfo, 3
@@ -485,11 +505,13 @@ Stream1             DEBUG addItemObjects(2101,"*") called
 Stream1             DEBUG            Key:*
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #2101
 Stream1             DEBUG  Added object 2101,"McEventInfo"
 Stream1             DEBUG addItemObjects(9103,"MyTracks") called
 Stream1             DEBUG            Key:MyTracks
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #9103
 Stream1             DEBUG  Added object 9103,"MyTracks"
 Stream1             DEBUG  Collected objects:
 Stream1             DEBUG  Object/count: EventInfo_McEventInfo, 4
@@ -528,11 +550,13 @@ Stream1             DEBUG addItemObjects(2101,"*") called
 Stream1             DEBUG            Key:*
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #2101
 Stream1             DEBUG  Added object 2101,"McEventInfo"
 Stream1             DEBUG addItemObjects(9103,"MyTracks") called
 Stream1             DEBUG            Key:MyTracks
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #9103
 Stream1             DEBUG  Added object 9103,"MyTracks"
 Stream1             DEBUG  Collected objects:
 Stream1             DEBUG  Object/count: EventInfo_McEventInfo, 5
@@ -571,11 +595,13 @@ Stream1             DEBUG addItemObjects(2101,"*") called
 Stream1             DEBUG            Key:*
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #2101
 Stream1             DEBUG  Added object 2101,"McEventInfo"
 Stream1             DEBUG addItemObjects(9103,"MyTracks") called
 Stream1             DEBUG            Key:MyTracks
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #9103
 Stream1             DEBUG  Added object 9103,"MyTracks"
 Stream1             DEBUG  Collected objects:
 Stream1             DEBUG  Object/count: EventInfo_McEventInfo, 6
@@ -614,11 +640,13 @@ Stream1             DEBUG addItemObjects(2101,"*") called
 Stream1             DEBUG            Key:*
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #2101
 Stream1             DEBUG  Added object 2101,"McEventInfo"
 Stream1             DEBUG addItemObjects(9103,"MyTracks") called
 Stream1             DEBUG            Key:MyTracks
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #9103
 Stream1             DEBUG  Added object 9103,"MyTracks"
 Stream1             DEBUG  Collected objects:
 Stream1             DEBUG  Object/count: EventInfo_McEventInfo, 7
@@ -657,11 +685,13 @@ Stream1             DEBUG addItemObjects(2101,"*") called
 Stream1             DEBUG            Key:*
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #2101
 Stream1             DEBUG  Added object 2101,"McEventInfo"
 Stream1             DEBUG addItemObjects(9103,"MyTracks") called
 Stream1             DEBUG            Key:MyTracks
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #9103
 Stream1             DEBUG  Added object 9103,"MyTracks"
 Stream1             DEBUG  Collected objects:
 Stream1             DEBUG  Object/count: EventInfo_McEventInfo, 8
@@ -700,11 +730,13 @@ Stream1             DEBUG addItemObjects(2101,"*") called
 Stream1             DEBUG            Key:*
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #2101
 Stream1             DEBUG  Added object 2101,"McEventInfo"
 Stream1             DEBUG addItemObjects(9103,"MyTracks") called
 Stream1             DEBUG            Key:MyTracks
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #9103
 Stream1             DEBUG  Added object 9103,"MyTracks"
 Stream1             DEBUG  Collected objects:
 Stream1             DEBUG  Object/count: EventInfo_McEventInfo, 9
@@ -743,11 +775,13 @@ Stream1             DEBUG addItemObjects(2101,"*") called
 Stream1             DEBUG            Key:*
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #2101
 Stream1             DEBUG  Added object 2101,"McEventInfo"
 Stream1             DEBUG addItemObjects(9103,"MyTracks") called
 Stream1             DEBUG            Key:MyTracks
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #9103
 Stream1             DEBUG  Added object 9103,"MyTracks"
 Stream1             DEBUG  Collected objects:
 Stream1             DEBUG  Object/count: EventInfo_McEventInfo, 10
@@ -786,11 +820,13 @@ Stream1             DEBUG addItemObjects(2101,"*") called
 Stream1             DEBUG            Key:*
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #2101
 Stream1             DEBUG  Added object 2101,"McEventInfo"
 Stream1             DEBUG addItemObjects(9103,"MyTracks") called
 Stream1             DEBUG            Key:MyTracks
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #9103
 Stream1             DEBUG  Added object 9103,"MyTracks"
 Stream1             DEBUG  Collected objects:
 Stream1             DEBUG  Object/count: EventInfo_McEventInfo, 11
@@ -829,11 +865,13 @@ Stream1             DEBUG addItemObjects(2101,"*") called
 Stream1             DEBUG            Key:*
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #2101
 Stream1             DEBUG  Added object 2101,"McEventInfo"
 Stream1             DEBUG addItemObjects(9103,"MyTracks") called
 Stream1             DEBUG            Key:MyTracks
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #9103
 Stream1             DEBUG  Added object 9103,"MyTracks"
 Stream1             DEBUG  Collected objects:
 Stream1             DEBUG  Object/count: EventInfo_McEventInfo, 12
@@ -872,11 +910,13 @@ Stream1             DEBUG addItemObjects(2101,"*") called
 Stream1             DEBUG            Key:*
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #2101
 Stream1             DEBUG  Added object 2101,"McEventInfo"
 Stream1             DEBUG addItemObjects(9103,"MyTracks") called
 Stream1             DEBUG            Key:MyTracks
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #9103
 Stream1             DEBUG  Added object 9103,"MyTracks"
 Stream1             DEBUG  Collected objects:
 Stream1             DEBUG  Object/count: EventInfo_McEventInfo, 13
@@ -915,11 +955,13 @@ Stream1             DEBUG addItemObjects(2101,"*") called
 Stream1             DEBUG            Key:*
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #2101
 Stream1             DEBUG  Added object 2101,"McEventInfo"
 Stream1             DEBUG addItemObjects(9103,"MyTracks") called
 Stream1             DEBUG            Key:MyTracks
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #9103
 Stream1             DEBUG  Added object 9103,"MyTracks"
 Stream1             DEBUG  Collected objects:
 Stream1             DEBUG  Object/count: EventInfo_McEventInfo, 14
@@ -958,11 +1000,13 @@ Stream1             DEBUG addItemObjects(2101,"*") called
 Stream1             DEBUG            Key:*
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #2101
 Stream1             DEBUG  Added object 2101,"McEventInfo"
 Stream1             DEBUG addItemObjects(9103,"MyTracks") called
 Stream1             DEBUG            Key:MyTracks
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #9103
 Stream1             DEBUG  Added object 9103,"MyTracks"
 Stream1             DEBUG  Collected objects:
 Stream1             DEBUG  Object/count: EventInfo_McEventInfo, 15
@@ -1001,11 +1045,13 @@ Stream1             DEBUG addItemObjects(2101,"*") called
 Stream1             DEBUG            Key:*
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #2101
 Stream1             DEBUG  Added object 2101,"McEventInfo"
 Stream1             DEBUG addItemObjects(9103,"MyTracks") called
 Stream1             DEBUG            Key:MyTracks
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #9103
 Stream1             DEBUG  Added object 9103,"MyTracks"
 Stream1             DEBUG  Collected objects:
 Stream1             DEBUG  Object/count: EventInfo_McEventInfo, 16
@@ -1044,11 +1090,13 @@ Stream1             DEBUG addItemObjects(2101,"*") called
 Stream1             DEBUG            Key:*
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #2101
 Stream1             DEBUG  Added object 2101,"McEventInfo"
 Stream1             DEBUG addItemObjects(9103,"MyTracks") called
 Stream1             DEBUG            Key:MyTracks
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #9103
 Stream1             DEBUG  Added object 9103,"MyTracks"
 Stream1             DEBUG  Collected objects:
 Stream1             DEBUG  Object/count: EventInfo_McEventInfo, 17
@@ -1087,11 +1135,13 @@ Stream1             DEBUG addItemObjects(2101,"*") called
 Stream1             DEBUG            Key:*
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #2101
 Stream1             DEBUG  Added object 2101,"McEventInfo"
 Stream1             DEBUG addItemObjects(9103,"MyTracks") called
 Stream1             DEBUG            Key:MyTracks
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #9103
 Stream1             DEBUG  Added object 9103,"MyTracks"
 Stream1             DEBUG  Collected objects:
 Stream1             DEBUG  Object/count: EventInfo_McEventInfo, 18
@@ -1130,11 +1180,13 @@ Stream1             DEBUG addItemObjects(2101,"*") called
 Stream1             DEBUG            Key:*
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #2101
 Stream1             DEBUG  Added object 2101,"McEventInfo"
 Stream1             DEBUG addItemObjects(9103,"MyTracks") called
 Stream1             DEBUG            Key:MyTracks
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #9103
 Stream1             DEBUG  Added object 9103,"MyTracks"
 Stream1             DEBUG  Collected objects:
 Stream1             DEBUG  Object/count: EventInfo_McEventInfo, 19
@@ -1173,11 +1225,13 @@ Stream1             DEBUG addItemObjects(2101,"*") called
 Stream1             DEBUG            Key:*
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #2101
 Stream1             DEBUG  Added object 2101,"McEventInfo"
 Stream1             DEBUG addItemObjects(9103,"MyTracks") called
 Stream1             DEBUG            Key:MyTracks
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #9103
 Stream1             DEBUG  Added object 9103,"MyTracks"
 Stream1             DEBUG  Collected objects:
 Stream1             DEBUG  Object/count: EventInfo_McEventInfo, 20
@@ -1185,6 +1239,7 @@ Stream1             DEBUG  Object/count: ExampleTrackContainer_MyTracks, 20
 Stream1             DEBUG connectOutput done for SimplePoolFile4.root
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #19, run #1 20 events processed so far  <<<===
 MetaDataSvc         DEBUG handle() EndInputFile for FID:????
+MetaDataSvc         DEBUG retireMetadataSource: FID:????
 EventSelector        INFO Disconnecting input sourceID: ????
 Domain[ROOT_All]     INFO ->  Deaccess DbDatabase   READ      [ROOT_All] ????
 Domain[ROOT_All]     INFO >   Deaccess DbDomain     READ      [ROOT_All] 
@@ -1194,16 +1249,24 @@ MetaDataSvc         DEBUG MetaDataSvc::stop()
 Stream1             DEBUG slot 0  handle() incident type: MetaDataStop
 MetaDataSvc         DEBUG  calling metaDataStop for ToolSvc.IOVDbMetaDataTool
 MetaDataSvc         DEBUG Locking metadata tools
-Stream1             DEBUG metadataItemList: [EventStreamInfo#Stream1, IOVMetaDataContainer#*]
+Stream1             DEBUG metadataItemList: [EventStreamInfo#Stream1, IOVMetaDataContainer#*, xAOD::EventFormat#EventFormatStream1]
 Stream1             DEBUG addItemObjects(167728019,"Stream1") called
 Stream1             DEBUG            Key:Stream1
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Transforming MetaCont<EventStreamInfo> to EventStreamInfo for output
 Stream1             DEBUG  Added object 167728019,"Stream1"
+Stream1             DEBUG addItemObjects(243004407,"EventFormatStream1") called
+Stream1             DEBUG            Key:EventFormatStream1
+Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
+Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Transforming MetaCont<xAOD::EventFormat> to xAOD::EventFormat for output
+Stream1             DEBUG  Added object 243004407,"EventFormatStream1"
 Stream1             DEBUG addItemObjects(1316383046,"*") called
 Stream1             DEBUG            Key:*
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+MetaDataSvc         DEBUG Not translating metadata item ID #1316383046
 Stream1             DEBUG connectOutput done for SimplePoolFile4.root
 StorageSvc           INFO Building shape according to reflection information using shape ID for:
 StorageSvc           INFO EventStreamInfo_p3 [????]
@@ -1217,20 +1280,33 @@ SimplePoolFile4...  DEBUG ---->ClassID:????
 SimplePoolFile4...  DEBUG --->Adding Shape[6 , ????]:  [1 Column(s)] 
 SimplePoolFile4...  DEBUG ---->Class:EventStreamInfo_p3
 SimplePoolFile4...  DEBUG ---->[0]:EventStreamInfo_p3 Typ:EventStreamInfo_p3 [21] Size:0 Offset:0 #Elements:1
+StorageSvc           INFO Building shape according to reflection information using shape ID for:
+StorageSvc           INFO xAOD::EventFormat_v1 [????]
+SimplePoolFile4...  DEBUG --> Access   DbContainer  CREA/UPDA [ROOT_Tree] MetaData(xAOD::EventFormat_v1/EventFormatStream1)
+MetaData(xAOD::...  DEBUG Opening
+MetaData(xAOD::...  DEBUG    attributes# = 1
+MetaData(xAOD::...  DEBUG Branch container 'xAOD::EventFormat_v1_EventFormatStream1'
+MetaData(xAOD::...  DEBUG Opened container MetaData(xAOD::EventFormat_v1/EventFormatStream1) of type ROOT_Tree
+SimplePoolFile4...  DEBUG --->Adding Assoc :????/MetaData(xAOD::EventFormat_v1/EventFormatStream1) [20?]  (c , ffffffff)
+SimplePoolFile4...  DEBUG ---->ClassID:????
+SimplePoolFile4...  DEBUG --->Adding Shape[7 , ????]:  [1 Column(s)] 
+SimplePoolFile4...  DEBUG ---->Class:xAOD::EventFormat_v1
+SimplePoolFile4...  DEBUG ---->[0]:xAOD::EventFormat_v1 Typ:xAOD::EventFormat_v1 [21] Size:0 Offset:0 #Elements:1
 SimplePoolFile4...  DEBUG --> Access   DbContainer  CREA/UPDA [ROOT_Tree] MetaDataHdr(DataHeader)
 MetaDataHdr(Dat...  DEBUG Opening
 MetaDataHdr(Dat...  DEBUG    attributes# = 1
 MetaDataHdr(Dat...  DEBUG Branch container 'DataHeader'
 MetaDataHdr(Dat...  DEBUG Opened container MetaDataHdr(DataHeader) of type ROOT_Tree
-SimplePoolFile4...  DEBUG --->Adding Assoc :????/MetaDataHdr(DataHeader) [20?]  (c , ffffffff)
+SimplePoolFile4...  DEBUG --->Adding Assoc :????/MetaDataHdr(DataHeader) [20?]  (d , ffffffff)
 SimplePoolFile4...  DEBUG ---->ClassID:????
 SimplePoolFile4...  DEBUG --> Access   DbContainer  CREA/UPDA [ROOT_Tree] MetaDataHdrForm(DataHeaderForm)
 MetaDataHdrForm...  DEBUG Opening
 MetaDataHdrForm...  DEBUG    attributes# = 1
 MetaDataHdrForm...  DEBUG Branch container 'DataHeaderForm'
 MetaDataHdrForm...  DEBUG Opened container MetaDataHdrForm(DataHeaderForm) of type ROOT_Tree
-SimplePoolFile4...  DEBUG --->Adding Assoc :????/MetaDataHdrForm(DataHeaderForm) [20?]  (d , ffffffff)
+SimplePoolFile4...  DEBUG --->Adding Assoc :????/MetaDataHdrForm(DataHeaderForm) [20?]  (e , ffffffff)
 SimplePoolFile4...  DEBUG ---->ClassID:????
+ClassIDSvc           INFO  getRegistryEntries: read 7 CLIDRegistry entries for module ALL
 Stream1              INFO Metadata records written: 21
 MetaDataSvc         DEBUG Unlocking metadata tools
 Stream1             DEBUG Leaving incident handler for MetaDataStop
@@ -1252,12 +1328,12 @@ ToolSvc              INFO Removing all tools created by ToolSvc
 *****Chrono*****     INFO  The Final CPU consumption ( Chrono ) Table (ordered)
 *****Chrono*****     INFO ****************************************************************************************************
 commitOutput         INFO Time User   : Tot=    0 [us] Ave/Min/Max=       0(+-       0)/       0/       0 [us] #= 21
-cRep_ALL             INFO Time User   : Tot=    0 [us] Ave/Min/Max=       0(+-       0)/       0/       0 [us] #= 62
-fRep_ALL             INFO Time User   : Tot=   10 [ms] Ave/Min/Max=   0.161(+-    1.26)/       0/      10 [ms] #= 62
-cObjR_ALL            INFO Time User   : Tot=   10 [ms] Ave/Min/Max=   0.154(+-    1.23)/       0/      10 [ms] #= 65
-cRepR_ALL            INFO Time User   : Tot=   10 [ms] Ave/Min/Max=  0.0694(+-    0.83)/       0/      10 [ms] #=144
-cObj_ALL             INFO Time User   : Tot=   10 [ms] Ave/Min/Max=   0.159(+-    1.25)/       0/      10 [ms] #= 63
-ChronoStatSvc        INFO Time User   : Tot=  270 [ms]  #=  1
+cRep_ALL             INFO Time User   : Tot=    0 [us] Ave/Min/Max=       0(+-       0)/       0/       0 [us] #= 63
+fRep_ALL             INFO Time User   : Tot=   10 [ms] Ave/Min/Max=   0.159(+-    1.25)/       0/      10 [ms] #= 63
+cObjR_ALL            INFO Time User   : Tot=    0 [us] Ave/Min/Max=       0(+-       0)/       0/       0 [us] #= 65
+cRepR_ALL            INFO Time User   : Tot=   10 [ms] Ave/Min/Max=   0.069(+-   0.828)/       0/      10 [ms] #=145
+cObj_ALL             INFO Time User   : Tot=    0 [us] Ave/Min/Max=       0(+-       0)/       0/       0 [us] #= 63
+ChronoStatSvc        INFO Time User   : Tot=  170 [ms]  #=  1
 *****Chrono*****     INFO ****************************************************************************************************
 ChronoStatSvc.f...   INFO  Service finalized successfully 
 ApplicationMgr       INFO Application Manager Finalized successfully
diff --git a/Database/AthenaPOOL/AthenaPoolExample/AthenaPoolExampleAlgorithms/share/AthenaPoolExample_Read.ref b/Database/AthenaPOOL/AthenaPoolExample/AthenaPoolExampleAlgorithms/share/AthenaPoolExample_Read.ref
index d55e8196116aebbf6d413d8eef65b4d6d62b7aa8..4e5d1aa79c5e7befade783b3f7471aaf309c421c 100644
--- a/Database/AthenaPOOL/AthenaPoolExample/AthenaPoolExampleAlgorithms/share/AthenaPoolExample_Read.ref
+++ b/Database/AthenaPOOL/AthenaPoolExample/AthenaPoolExampleAlgorithms/share/AthenaPoolExample_Read.ref
@@ -1,41 +1,37 @@
-Sat Nov  2 01:39:50 CET 2019
+Tue Oct  6 16:03:50 CEST 20?0
 Preloading tcmalloc_minimal.so
 Athena               INFO including file "AthenaCommon/Preparation.py"
 Athena               INFO including file "AthenaCommon/Atlas.UnixStandardJob.py"
 Athena               INFO executing ROOT6Setup
 Athena               INFO including file "AthenaCommon/Execution.py"
 Athena               INFO including file "AthenaPoolExampleAlgorithms/AthenaPoolExample_ReadJobOptions.py"
-Py:ConfigurableDb    INFO Read module info for 5598 configurables from 9 genConfDb files
+Py:ConfigurableDb    INFO Read module info for 5569 configurables from 4 genConfDb files
 Py:ConfigurableDb    INFO No duplicates have been found: that's good !
 Athena               INFO including file "AthenaCommon/runbatch.py"
-ApplicationMgr       INFO Updating Gaudi::PluginService::SetDebug(level) to level= 'PluginDebugLevel':0
-ApplicationMgr       INFO Updating Gaudi::PluginService::SetDebug(level) to level= 'PluginDebugLevel':0
 ApplicationMgr    SUCCESS 
 ====================================================================================================================================
-                                                   Welcome to ApplicationMgr (GaudiCoreSvc v32r2)
-                                          running on aibuild028.cern.ch on Sat Nov  2 01:40:00 2019
+                                                   Welcome to ApplicationMgr (GaudiCoreSvc v34r0)
+                                          running on 58dd451bc47f on Tue Oct  6 16:03:55 20?0
 ====================================================================================================================================
 ApplicationMgr       INFO Application Manager Configured successfully
-ApplicationMgr       INFO Updating Gaudi::PluginService::SetDebug(level) to level= 'PluginDebugLevel':0
-StatusCodeSvc        INFO initialize
 AthDictLoaderSvc     INFO in initialize...
 AthDictLoaderSvc     INFO acquired Dso-registry
-ClassIDSvc           INFO  getRegistryEntries: read 3286 CLIDRegistry entries for module ALL
+ClassIDSvc           INFO  getRegistryEntries: read 3308 CLIDRegistry entries for module ALL
 AthenaEventLoopMgr   INFO Initializing AthenaEventLoopMgr - package version AthenaServices-00-00-00
-ClassIDSvc           INFO  getRegistryEntries: read 846 CLIDRegistry entries for module ALL
+ClassIDSvc           INFO  getRegistryEntries: read 861 CLIDRegistry entries for module ALL
 ReadData            DEBUG Property update for OutputLevel : new value = 2
 ReadData             INFO in initialize()
 MetaDataSvc         DEBUG Property update for OutputLevel : new value = 2
 MetaDataSvc          INFO Initializing MetaDataSvc - package version AthenaServices-00-00-00
 MetaDataSvc         DEBUG Service base class initialized successfully
-AthenaPoolCnvSvc     INFO Initializing AthenaPoolCnvSvc - package version AthenaPoolCnvSvc-00-00-00
 PoolSvc             DEBUG Property update for OutputLevel : new value = 2
 PoolSvc             DEBUG Service base class initialized successfully
 PoolSvc              INFO Set connectionsvc retry/timeout/IDLE timeout to  'ConnectionRetrialPeriod':300/ 'ConnectionRetrialTimeOut':3600/ 'ConnectionTimeOut':5 seconds with connection cleanup disabled
 PoolSvc              INFO Frontier compression level set to 5
-DBReplicaSvc         INFO Frontier server at (serverurl=http://atlasfrontier-local.cern.ch:8000/atlr)(serverurl=http://atlasfrontier-ai.cern.ch:8000/atlr)(serverurl=http://lcgft-atlas.gridpp.rl.ac.uk:3128/frontierATLAS)(serverurl=http://ccfrontier.in2p3.fr:23128/ccin2p3-AtlasFrontier)(proxyurl=http://ca-proxy.cern.ch:3128)(proxyurl=http://ca-proxy-meyrin.cern.ch:3128)(proxyurl=http://ca-proxy-wigner.cern.ch:3128)(proxyurl=http://atlasbpfrontier.cern.ch:3127)(proxyurl=http://atlasbpfrontier.fnal.gov:3127) will be considered for COOL data
-DBReplicaSvc         INFO Read replica configuration from /cvmfs/atlas-nightlies.cern.ch/repo/sw/master/2019-10-31T2131/Athena/22.0.7/InstallArea/x86_64-centos7-gcc8-opt/share/dbreplica.config
-DBReplicaSvc         INFO Total of 10 servers found for host aibuild028.cern.ch [ATLF ATLAS_COOLPROD atlas_dd ATLAS_CONFIG INT8R INTR ATONR_COOL ATONR_CONF DEVDB11 ATLF ]
+DBReplicaSvc         INFO Frontier server at (serverurl=http://atlasfrontier-ai.cern.ch:8000/atlr)(serverurl=http://frontier-atlas.lcg.triumf.ca:3128/ATLAS_frontier)(serverurl=http://ccfrontier.in2p3.fr:23128/ccin2p3-AtlasFrontier)(proxyurl=http://atlasbpfrontier.cern.ch:3127)(proxyurl=http://atlasbpfrontier.fnal.gov:3127) will be considered for COOL data
+DBReplicaSvc         INFO Read replica configuration from /cvmfs/atlas-nightlies.cern.ch/repo/sw/master_Athena_x86_64-centos7-gcc8-opt/20?0-10-05T2101/Athena/22.0.19/InstallArea/x86_64-centos7-gcc8-opt/share/dbreplica.config
+DBReplicaSvc         INFO No specific match for domain found - use default fallback
+DBReplicaSvc         INFO Total of 2 servers found for host 58dd451bc47f [ATLF atlas_dd ]
 PoolSvc              INFO Successfully setup replica sorting algorithm
 PoolSvc             DEBUG OutputLevel is 2
 PoolSvc              INFO Setting up APR FileCatalog and Streams
@@ -60,10 +56,12 @@ EmptyPoolFile.root  DEBUG --> Access   DbContainer  READ      [ROOT_All] ##Shape
 EmptyPoolFile.root  DEBUG --->Reading Shape[0 , ????]: [1 Column(s)]
 EmptyPoolFile.root  DEBUG ---->[0]:EventStreamInfo_p3 Typ:EventStreamInfo_p3 [21] Size:0 Offset:0 #Elements:1
 EmptyPoolFile.root  DEBUG --->Reading Shape[1 , ????]: [1 Column(s)]
-EmptyPoolFile.root  DEBUG ---->[0]:DataHeader_p6 Typ:DataHeader_p6 [21] Size:0 Offset:0 #Elements:1
+EmptyPoolFile.root  DEBUG ---->[0]:xAOD::EventFormat_v1 Typ:xAOD::EventFormat_v1 [21] Size:0 Offset:0 #Elements:1
 EmptyPoolFile.root  DEBUG --->Reading Shape[2 , ????]: [1 Column(s)]
+EmptyPoolFile.root  DEBUG ---->[0]:DataHeader_p6 Typ:DataHeader_p6 [21] Size:0 Offset:0 #Elements:1
+EmptyPoolFile.root  DEBUG --->Reading Shape[3 , ????]: [1 Column(s)]
 EmptyPoolFile.root  DEBUG ---->[0]:DataHeaderForm_p6 Typ:DataHeaderForm_p6 [21] Size:0 Offset:0 #Elements:1
-##Shapes            DEBUG No objects passing selection criteria... Container has 3 Entries in total.
+##Shapes            DEBUG No objects passing selection criteria... Container has 4 Entries in total.
 EmptyPoolFile.root  DEBUG --> Access   DbContainer  READ      [ROOT_All] ##Links
 ##Links             DEBUG Opening
 ##Links             DEBUG    attributes# = 1
@@ -72,11 +70,13 @@ EmptyPoolFile.root  DEBUG --->Reading Assoc:????/##Params [200]  (2 , ffffffff)
 EmptyPoolFile.root  DEBUG ---->ClassID:????
 EmptyPoolFile.root  DEBUG --->Reading Assoc:????/MetaData(EventStreamInfo_p3/Stream3) [20?]  (3 , ffffffff)
 EmptyPoolFile.root  DEBUG ---->ClassID:????
-EmptyPoolFile.root  DEBUG --->Reading Assoc:????/MetaDataHdr(DataHeader) [20?]  (4 , ffffffff)
+EmptyPoolFile.root  DEBUG --->Reading Assoc:????/MetaData(xAOD::EventFormat_v1/EventFormatStream3) [20?]  (4 , ffffffff)
+EmptyPoolFile.root  DEBUG ---->ClassID:????
+EmptyPoolFile.root  DEBUG --->Reading Assoc:????/MetaDataHdr(DataHeader) [20?]  (5 , ffffffff)
 EmptyPoolFile.root  DEBUG ---->ClassID:????
-EmptyPoolFile.root  DEBUG --->Reading Assoc:????/MetaDataHdrForm(DataHeaderForm) [20?]  (5 , ffffffff)
+EmptyPoolFile.root  DEBUG --->Reading Assoc:????/MetaDataHdrForm(DataHeaderForm) [20?]  (6 , ffffffff)
 EmptyPoolFile.root  DEBUG ---->ClassID:????
-##Links             DEBUG No objects passing selection criteria... Container has 4 Entries in total.
+##Links             DEBUG No objects passing selection criteria... Container has 5 Entries in total.
 EmptyPoolFile.root  DEBUG --> Access   DbContainer  READ      [ROOT_All] ##Params
 ##Params            DEBUG Opening
 ##Params            DEBUG    attributes# = 1
@@ -116,7 +116,9 @@ SimplePoolFile1...  DEBUG --->Reading Shape[5 , ????]: [1 Column(s)]
 SimplePoolFile1...  DEBUG ---->[0]:unsigned int Typ:unsigned int [3] Size:0 Offset:0 #Elements:1
 SimplePoolFile1...  DEBUG --->Reading Shape[6 , ????]: [1 Column(s)]
 SimplePoolFile1...  DEBUG ---->[0]:EventStreamInfo_p3 Typ:EventStreamInfo_p3 [21] Size:0 Offset:0 #Elements:1
-##Shapes            DEBUG No objects passing selection criteria... Container has 7 Entries in total.
+SimplePoolFile1...  DEBUG --->Reading Shape[7 , ????]: [1 Column(s)]
+SimplePoolFile1...  DEBUG ---->[0]:xAOD::EventFormat_v1 Typ:xAOD::EventFormat_v1 [21] Size:0 Offset:0 #Elements:1
+##Shapes            DEBUG No objects passing selection criteria... Container has 8 Entries in total.
 SimplePoolFile1...  DEBUG --> Access   DbContainer  READ      [ROOT_All] ##Links
 ##Links             DEBUG Opening
 ##Links             DEBUG    attributes# = 1
@@ -141,11 +143,13 @@ SimplePoolFile1...  DEBUG --->Reading Assoc:????/POOLCollectionTree(MagicNumber)
 SimplePoolFile1...  DEBUG ---->ClassID:????
 SimplePoolFile1...  DEBUG --->Reading Assoc:????/MetaData(EventStreamInfo_p3/Stream1) [20?]  (b , ffffffff)
 SimplePoolFile1...  DEBUG ---->ClassID:????
-SimplePoolFile1...  DEBUG --->Reading Assoc:????/MetaDataHdr(DataHeader) [20?]  (c , ffffffff)
+SimplePoolFile1...  DEBUG --->Reading Assoc:????/MetaData(xAOD::EventFormat_v1/EventFormatStream1) [20?]  (c , ffffffff)
 SimplePoolFile1...  DEBUG ---->ClassID:????
-SimplePoolFile1...  DEBUG --->Reading Assoc:????/MetaDataHdrForm(DataHeaderForm) [20?]  (d , ffffffff)
+SimplePoolFile1...  DEBUG --->Reading Assoc:????/MetaDataHdr(DataHeader) [20?]  (d , ffffffff)
 SimplePoolFile1...  DEBUG ---->ClassID:????
-##Links             DEBUG No objects passing selection criteria... Container has 12 Entries in total.
+SimplePoolFile1...  DEBUG --->Reading Assoc:????/MetaDataHdrForm(DataHeaderForm) [20?]  (e , ffffffff)
+SimplePoolFile1...  DEBUG ---->ClassID:????
+##Links             DEBUG No objects passing selection criteria... Container has 13 Entries in total.
 SimplePoolFile1...  DEBUG --> Access   DbContainer  READ      [ROOT_All] ##Params
 ##Params            DEBUG Opening
 ##Params            DEBUG    attributes# = 1
@@ -160,7 +164,7 @@ MetaDataHdr(Dat...  DEBUG Opening
 MetaDataHdr(Dat...  DEBUG    attributes# = 1
 MetaDataHdr(Dat...  DEBUG Branch container 'DataHeader'
 MetaDataHdr(Dat...  DEBUG Opened container MetaDataHdr(DataHeader) of type ROOT_Tree
-ClassIDSvc           INFO  getRegistryEntries: read 2053 CLIDRegistry entries for module ALL
+ClassIDSvc           INFO  getRegistryEntries: read 1666 CLIDRegistry entries for module ALL
 EventPersistenc...   INFO Added successfully Conversion service:AthenaPoolCnvSvc
 SimplePoolFile1...  DEBUG --> Access   DbContainer  READ      [ROOT_Tree] MetaDataHdrForm(DataHeaderForm)
 MetaDataHdrForm...  DEBUG Opening
@@ -169,6 +173,7 @@ MetaDataHdrForm...  DEBUG Branch container 'DataHeaderForm'
 MetaDataHdrForm...  DEBUG Opened container MetaDataHdrForm(DataHeaderForm) of type ROOT_Tree
 MetaDataSvc         DEBUG Loaded input meta data store proxies
 ClassIDSvc           INFO  getRegistryEntries: read 2 CLIDRegistry entries for module ALL
+OutputStreamSeq...   INFO Initializing OutputStreamSequencerSvc - package version AthenaServices-00-00-00
 AthenaPoolAddre...  DEBUG Property update for OutputLevel : new value = 2
 AthenaPoolAddre...  DEBUG Service base class initialized successfully
 ReadData            DEBUG input handles: 2
@@ -176,7 +181,6 @@ ReadData            DEBUG output handles: 0
 ReadData            DEBUG Data Deps for ReadData
   + INPUT   ( 'ExampleHitContainer' , 'StoreGateSvc+MyHits' ) 
   + INPUT   ( 'ExampleTrackContainer' , 'StoreGateSvc+MyTracks' ) 
-HistogramPersis...WARNING Histograms saving not required.
 AthenaEventLoopMgr   INFO Setup EventSelector service EventSelector
 ApplicationMgr       INFO Application Manager Initialized successfully
 EventSelector       DEBUG Try item: "EmptyPoolFile.root" from the collection list.
@@ -190,10 +194,12 @@ EmptyPoolFile.root  DEBUG --> Access   DbContainer  READ      [ROOT_All] ##Shape
 EmptyPoolFile.root  DEBUG --->Reading Shape[0 , ????]: [1 Column(s)]
 EmptyPoolFile.root  DEBUG ---->[0]:EventStreamInfo_p3 Typ:EventStreamInfo_p3 [21] Size:0 Offset:0 #Elements:1
 EmptyPoolFile.root  DEBUG --->Reading Shape[1 , ????]: [1 Column(s)]
-EmptyPoolFile.root  DEBUG ---->[0]:DataHeader_p6 Typ:DataHeader_p6 [21] Size:0 Offset:0 #Elements:1
+EmptyPoolFile.root  DEBUG ---->[0]:xAOD::EventFormat_v1 Typ:xAOD::EventFormat_v1 [21] Size:0 Offset:0 #Elements:1
 EmptyPoolFile.root  DEBUG --->Reading Shape[2 , ????]: [1 Column(s)]
+EmptyPoolFile.root  DEBUG ---->[0]:DataHeader_p6 Typ:DataHeader_p6 [21] Size:0 Offset:0 #Elements:1
+EmptyPoolFile.root  DEBUG --->Reading Shape[3 , ????]: [1 Column(s)]
 EmptyPoolFile.root  DEBUG ---->[0]:DataHeaderForm_p6 Typ:DataHeaderForm_p6 [21] Size:0 Offset:0 #Elements:1
-##Shapes            DEBUG No objects passing selection criteria... Container has 3 Entries in total.
+##Shapes            DEBUG No objects passing selection criteria... Container has 4 Entries in total.
 EmptyPoolFile.root  DEBUG --> Access   DbContainer  READ      [ROOT_All] ##Links
 ##Links             DEBUG Opening
 ##Links             DEBUG    attributes# = 1
@@ -202,11 +208,13 @@ EmptyPoolFile.root  DEBUG --->Reading Assoc:????/##Params [200]  (2 , ffffffff)
 EmptyPoolFile.root  DEBUG ---->ClassID:????
 EmptyPoolFile.root  DEBUG --->Reading Assoc:????/MetaData(EventStreamInfo_p3/Stream3) [20?]  (3 , ffffffff)
 EmptyPoolFile.root  DEBUG ---->ClassID:????
-EmptyPoolFile.root  DEBUG --->Reading Assoc:????/MetaDataHdr(DataHeader) [20?]  (4 , ffffffff)
+EmptyPoolFile.root  DEBUG --->Reading Assoc:????/MetaData(xAOD::EventFormat_v1/EventFormatStream3) [20?]  (4 , ffffffff)
+EmptyPoolFile.root  DEBUG ---->ClassID:????
+EmptyPoolFile.root  DEBUG --->Reading Assoc:????/MetaDataHdr(DataHeader) [20?]  (5 , ffffffff)
 EmptyPoolFile.root  DEBUG ---->ClassID:????
-EmptyPoolFile.root  DEBUG --->Reading Assoc:????/MetaDataHdrForm(DataHeaderForm) [20?]  (5 , ffffffff)
+EmptyPoolFile.root  DEBUG --->Reading Assoc:????/MetaDataHdrForm(DataHeaderForm) [20?]  (6 , ffffffff)
 EmptyPoolFile.root  DEBUG ---->ClassID:????
-##Links             DEBUG No objects passing selection criteria... Container has 4 Entries in total.
+##Links             DEBUG No objects passing selection criteria... Container has 5 Entries in total.
 EmptyPoolFile.root  DEBUG --> Access   DbContainer  READ      [ROOT_All] ##Params
 ##Params            DEBUG Opening
 ##Params            DEBUG    attributes# = 1
@@ -234,6 +242,7 @@ MetaDataHdrForm...  DEBUG Opened container MetaDataHdrForm(DataHeaderForm) of ty
 MetaDataSvc         DEBUG Loaded input meta data store proxies
 MetaDataSvc         DEBUG  calling beginInputFile for ToolSvc.IOVDbMetaDataTool
 MetaDataSvc         DEBUG handle() EndInputFile for eventless EmptyPoolFile.root
+MetaDataSvc         DEBUG retireMetadataSource: eventless EmptyPoolFile.root
 Domain[ROOT_All]     INFO ->  Deaccess DbDatabase   READ      [ROOT_All] ????
 EventSelector       DEBUG Try item: "SimplePoolFile1.root" from the collection list.
 ApplicationMgr       INFO Application Manager Started successfully
@@ -320,14 +329,14 @@ ReadData             INFO Hit x = 1020.49 y = 63.5816 z = -951.864 detector = Du
 ReadData             INFO Hit x = 1023.7 y = 57.9027 z = -953.684 detector = DummyHitDetector
 ReadData             INFO Hit x = 1026.91 y = 52.2238 z = -955.073 detector = DummyHitDetector
 ReadData             INFO Hit x = 1030.12 y = 46.5449 z = -956.169 detector = DummyHitDetector
-PoolSvc              INFO Database (SimplePoolFile1.root) attribute [BYTES_READ]: 25378
+PoolSvc              INFO Database (SimplePoolFile1.root) attribute [BYTES_READ]: 26833
 PoolSvc              INFO Database (SimplePoolFile1.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #10, run #1 1 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
 EventSelector       DEBUG AttributeList size 3
 EventSelector       DEBUG record AthenaAttribute, name = Token = [DB=????][CNT=POOLContainer(DataHeader)][CLID=????][TECH=0000020?][OID=00000005-0000000B].
 EventSelector       DEBUG record AthenaAttribute, name = eventRef = [DB=????][CNT=POOLContainer(DataHeader)][CLID=????][TECH=0000020?][OID=00000005-0000000B].
-ClassIDSvc           INFO  getRegistryEntries: read 27 CLIDRegistry entries for module ALL
+ClassIDSvc           INFO  getRegistryEntries: read 21 CLIDRegistry entries for module ALL
 EventSelector       DEBUG found AthenaAttribute, name = eventRef = [DB=????][CNT=POOLContainer(DataHeader)][CLID=????][TECH=0000020?][OID=00000005-0000000B]
 AthenaPoolAddre...  DEBUG The current Event contains: 3 objects
 AthenaPoolAddre...  DEBUG loadAddresses: DataObject address, clid = 2101, name = McEventInfo
@@ -354,7 +363,7 @@ ReadData             INFO Hit x = 1120.49 y = 63.5816 z = -1051.86 detector = Du
 ReadData             INFO Hit x = 1123.7 y = 57.9027 z = -1053.68 detector = DummyHitDetector
 ReadData             INFO Hit x = 1126.91 y = 52.2238 z = -1055.07 detector = DummyHitDetector
 ReadData             INFO Hit x = 1130.12 y = 46.5449 z = -1056.17 detector = DummyHitDetector
-PoolSvc              INFO Database (SimplePoolFile1.root) attribute [BYTES_READ]: 25378
+PoolSvc              INFO Database (SimplePoolFile1.root) attribute [BYTES_READ]: 26833
 PoolSvc              INFO Database (SimplePoolFile1.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #11, run #1 2 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -387,7 +396,7 @@ ReadData             INFO Hit x = 1220.49 y = 63.5816 z = -1151.86 detector = Du
 ReadData             INFO Hit x = 1223.7 y = 57.9027 z = -1153.68 detector = DummyHitDetector
 ReadData             INFO Hit x = 1226.91 y = 52.2238 z = -1155.07 detector = DummyHitDetector
 ReadData             INFO Hit x = 1230.12 y = 46.5449 z = -1156.17 detector = DummyHitDetector
-PoolSvc              INFO Database (SimplePoolFile1.root) attribute [BYTES_READ]: 25378
+PoolSvc              INFO Database (SimplePoolFile1.root) attribute [BYTES_READ]: 26833
 PoolSvc              INFO Database (SimplePoolFile1.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #12, run #1 3 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -420,7 +429,7 @@ ReadData             INFO Hit x = 1320.49 y = 63.5816 z = -1251.86 detector = Du
 ReadData             INFO Hit x = 1323.7 y = 57.9027 z = -1253.68 detector = DummyHitDetector
 ReadData             INFO Hit x = 1326.91 y = 52.2238 z = -1255.07 detector = DummyHitDetector
 ReadData             INFO Hit x = 1330.12 y = 46.5449 z = -1256.17 detector = DummyHitDetector
-PoolSvc              INFO Database (SimplePoolFile1.root) attribute [BYTES_READ]: 25378
+PoolSvc              INFO Database (SimplePoolFile1.root) attribute [BYTES_READ]: 26833
 PoolSvc              INFO Database (SimplePoolFile1.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #13, run #1 4 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -453,7 +462,7 @@ ReadData             INFO Hit x = 1420.49 y = 63.5816 z = -1351.86 detector = Du
 ReadData             INFO Hit x = 1423.7 y = 57.9027 z = -1353.68 detector = DummyHitDetector
 ReadData             INFO Hit x = 1426.91 y = 52.2238 z = -1355.07 detector = DummyHitDetector
 ReadData             INFO Hit x = 1430.12 y = 46.5449 z = -1356.17 detector = DummyHitDetector
-PoolSvc              INFO Database (SimplePoolFile1.root) attribute [BYTES_READ]: 25378
+PoolSvc              INFO Database (SimplePoolFile1.root) attribute [BYTES_READ]: 26833
 PoolSvc              INFO Database (SimplePoolFile1.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #14, run #1 5 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -486,7 +495,7 @@ ReadData             INFO Hit x = 1520.49 y = 63.5816 z = -1451.86 detector = Du
 ReadData             INFO Hit x = 1523.7 y = 57.9027 z = -1453.68 detector = DummyHitDetector
 ReadData             INFO Hit x = 1526.91 y = 52.2238 z = -1455.07 detector = DummyHitDetector
 ReadData             INFO Hit x = 1530.12 y = 46.5449 z = -1456.17 detector = DummyHitDetector
-PoolSvc              INFO Database (SimplePoolFile1.root) attribute [BYTES_READ]: 25378
+PoolSvc              INFO Database (SimplePoolFile1.root) attribute [BYTES_READ]: 26833
 PoolSvc              INFO Database (SimplePoolFile1.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #15, run #1 6 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -519,7 +528,7 @@ ReadData             INFO Hit x = 1620.49 y = 63.5816 z = -1551.86 detector = Du
 ReadData             INFO Hit x = 1623.7 y = 57.9027 z = -1553.68 detector = DummyHitDetector
 ReadData             INFO Hit x = 1626.91 y = 52.2238 z = -1555.07 detector = DummyHitDetector
 ReadData             INFO Hit x = 1630.12 y = 46.5449 z = -1556.17 detector = DummyHitDetector
-PoolSvc              INFO Database (SimplePoolFile1.root) attribute [BYTES_READ]: 25378
+PoolSvc              INFO Database (SimplePoolFile1.root) attribute [BYTES_READ]: 26833
 PoolSvc              INFO Database (SimplePoolFile1.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #16, run #1 7 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -552,7 +561,7 @@ ReadData             INFO Hit x = 1720.49 y = 63.5816 z = -1651.86 detector = Du
 ReadData             INFO Hit x = 1723.7 y = 57.9027 z = -1653.68 detector = DummyHitDetector
 ReadData             INFO Hit x = 1726.91 y = 52.2238 z = -1655.07 detector = DummyHitDetector
 ReadData             INFO Hit x = 1730.12 y = 46.5449 z = -1656.17 detector = DummyHitDetector
-PoolSvc              INFO Database (SimplePoolFile1.root) attribute [BYTES_READ]: 25378
+PoolSvc              INFO Database (SimplePoolFile1.root) attribute [BYTES_READ]: 26833
 PoolSvc              INFO Database (SimplePoolFile1.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #17, run #1 8 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -585,7 +594,7 @@ ReadData             INFO Hit x = 1820.49 y = 63.5816 z = -1751.86 detector = Du
 ReadData             INFO Hit x = 1823.7 y = 57.9027 z = -1753.68 detector = DummyHitDetector
 ReadData             INFO Hit x = 1826.91 y = 52.2238 z = -1755.07 detector = DummyHitDetector
 ReadData             INFO Hit x = 1830.12 y = 46.5449 z = -1756.17 detector = DummyHitDetector
-PoolSvc              INFO Database (SimplePoolFile1.root) attribute [BYTES_READ]: 25378
+PoolSvc              INFO Database (SimplePoolFile1.root) attribute [BYTES_READ]: 26833
 PoolSvc              INFO Database (SimplePoolFile1.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #18, run #1 9 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -618,10 +627,11 @@ ReadData             INFO Hit x = 1920.49 y = 63.5816 z = -1851.86 detector = Du
 ReadData             INFO Hit x = 1923.7 y = 57.9027 z = -1853.68 detector = DummyHitDetector
 ReadData             INFO Hit x = 1926.91 y = 52.2238 z = -1855.07 detector = DummyHitDetector
 ReadData             INFO Hit x = 1930.12 y = 46.5449 z = -1856.17 detector = DummyHitDetector
-PoolSvc              INFO Database (SimplePoolFile1.root) attribute [BYTES_READ]: 25378
+PoolSvc              INFO Database (SimplePoolFile1.root) attribute [BYTES_READ]: 26833
 PoolSvc              INFO Database (SimplePoolFile1.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #19, run #1 10 events processed so far  <<<===
 MetaDataSvc         DEBUG handle() EndInputFile for FID:????
+MetaDataSvc         DEBUG retireMetadataSource: FID:????
 EventSelector        INFO Disconnecting input sourceID: ????
 Domain[ROOT_All]     INFO ->  Deaccess DbDatabase   READ      [ROOT_All] ????
 Domain[ROOT_All]     INFO >   Deaccess DbDomain     READ      [ROOT_All] 
@@ -638,10 +648,12 @@ EmptyPoolFile.root  DEBUG --> Access   DbContainer  READ      [ROOT_All] ##Shape
 EmptyPoolFile.root  DEBUG --->Reading Shape[0 , ????]: [1 Column(s)]
 EmptyPoolFile.root  DEBUG ---->[0]:EventStreamInfo_p3 Typ:EventStreamInfo_p3 [21] Size:0 Offset:0 #Elements:1
 EmptyPoolFile.root  DEBUG --->Reading Shape[1 , ????]: [1 Column(s)]
-EmptyPoolFile.root  DEBUG ---->[0]:DataHeader_p6 Typ:DataHeader_p6 [21] Size:0 Offset:0 #Elements:1
+EmptyPoolFile.root  DEBUG ---->[0]:xAOD::EventFormat_v1 Typ:xAOD::EventFormat_v1 [21] Size:0 Offset:0 #Elements:1
 EmptyPoolFile.root  DEBUG --->Reading Shape[2 , ????]: [1 Column(s)]
+EmptyPoolFile.root  DEBUG ---->[0]:DataHeader_p6 Typ:DataHeader_p6 [21] Size:0 Offset:0 #Elements:1
+EmptyPoolFile.root  DEBUG --->Reading Shape[3 , ????]: [1 Column(s)]
 EmptyPoolFile.root  DEBUG ---->[0]:DataHeaderForm_p6 Typ:DataHeaderForm_p6 [21] Size:0 Offset:0 #Elements:1
-##Shapes            DEBUG No objects passing selection criteria... Container has 3 Entries in total.
+##Shapes            DEBUG No objects passing selection criteria... Container has 4 Entries in total.
 EmptyPoolFile.root  DEBUG --> Access   DbContainer  READ      [ROOT_All] ##Links
 ##Links             DEBUG Opening
 ##Links             DEBUG    attributes# = 1
@@ -650,11 +662,13 @@ EmptyPoolFile.root  DEBUG --->Reading Assoc:????/##Params [200]  (2 , ffffffff)
 EmptyPoolFile.root  DEBUG ---->ClassID:????
 EmptyPoolFile.root  DEBUG --->Reading Assoc:????/MetaData(EventStreamInfo_p3/Stream3) [20?]  (3 , ffffffff)
 EmptyPoolFile.root  DEBUG ---->ClassID:????
-EmptyPoolFile.root  DEBUG --->Reading Assoc:????/MetaDataHdr(DataHeader) [20?]  (4 , ffffffff)
+EmptyPoolFile.root  DEBUG --->Reading Assoc:????/MetaData(xAOD::EventFormat_v1/EventFormatStream3) [20?]  (4 , ffffffff)
+EmptyPoolFile.root  DEBUG ---->ClassID:????
+EmptyPoolFile.root  DEBUG --->Reading Assoc:????/MetaDataHdr(DataHeader) [20?]  (5 , ffffffff)
 EmptyPoolFile.root  DEBUG ---->ClassID:????
-EmptyPoolFile.root  DEBUG --->Reading Assoc:????/MetaDataHdrForm(DataHeaderForm) [20?]  (5 , ffffffff)
+EmptyPoolFile.root  DEBUG --->Reading Assoc:????/MetaDataHdrForm(DataHeaderForm) [20?]  (6 , ffffffff)
 EmptyPoolFile.root  DEBUG ---->ClassID:????
-##Links             DEBUG No objects passing selection criteria... Container has 4 Entries in total.
+##Links             DEBUG No objects passing selection criteria... Container has 5 Entries in total.
 EmptyPoolFile.root  DEBUG --> Access   DbContainer  READ      [ROOT_All] ##Params
 ##Params            DEBUG Opening
 ##Params            DEBUG    attributes# = 1
@@ -677,6 +691,7 @@ MetaDataHdr(Dat...  DEBUG Opened container MetaDataHdr(DataHeader) of type ROOT_
 MetaDataSvc         DEBUG Loaded input meta data store proxies
 MetaDataSvc         DEBUG  calling beginInputFile for ToolSvc.IOVDbMetaDataTool
 MetaDataSvc         DEBUG handle() EndInputFile for eventless EmptyPoolFile.root
+MetaDataSvc         DEBUG retireMetadataSource: eventless EmptyPoolFile.root
 Domain[ROOT_All]     INFO ->  Deaccess DbDatabase   READ      [ROOT_All] ????
 Domain[ROOT_All]     INFO >   Deaccess DbDomain     READ      [ROOT_All] 
 EventSelector       DEBUG Try item: "SimplePoolFile2.root" from the collection list.
@@ -701,7 +716,9 @@ SimplePoolFile2...  DEBUG --->Reading Shape[4 , ????]: [1 Column(s)]
 SimplePoolFile2...  DEBUG ---->[0]:unsigned int Typ:unsigned int [3] Size:0 Offset:0 #Elements:1
 SimplePoolFile2...  DEBUG --->Reading Shape[5 , ????]: [1 Column(s)]
 SimplePoolFile2...  DEBUG ---->[0]:EventStreamInfo_p3 Typ:EventStreamInfo_p3 [21] Size:0 Offset:0 #Elements:1
-##Shapes            DEBUG No objects passing selection criteria... Container has 6 Entries in total.
+SimplePoolFile2...  DEBUG --->Reading Shape[6 , ????]: [1 Column(s)]
+SimplePoolFile2...  DEBUG ---->[0]:xAOD::EventFormat_v1 Typ:xAOD::EventFormat_v1 [21] Size:0 Offset:0 #Elements:1
+##Shapes            DEBUG No objects passing selection criteria... Container has 7 Entries in total.
 SimplePoolFile2...  DEBUG --> Access   DbContainer  READ      [ROOT_All] ##Links
 ##Links             DEBUG Opening
 ##Links             DEBUG    attributes# = 1
@@ -724,11 +741,13 @@ SimplePoolFile2...  DEBUG --->Reading Assoc:????/POOLCollectionTree(MagicNumber)
 SimplePoolFile2...  DEBUG ---->ClassID:????
 SimplePoolFile2...  DEBUG --->Reading Assoc:????/MetaData(EventStreamInfo_p3/Stream2) [20?]  (a , ffffffff)
 SimplePoolFile2...  DEBUG ---->ClassID:????
-SimplePoolFile2...  DEBUG --->Reading Assoc:????/MetaDataHdr(DataHeader) [20?]  (b , ffffffff)
+SimplePoolFile2...  DEBUG --->Reading Assoc:????/MetaData(xAOD::EventFormat_v1/EventFormatStream2) [20?]  (b , ffffffff)
+SimplePoolFile2...  DEBUG ---->ClassID:????
+SimplePoolFile2...  DEBUG --->Reading Assoc:????/MetaDataHdr(DataHeader) [20?]  (c , ffffffff)
 SimplePoolFile2...  DEBUG ---->ClassID:????
-SimplePoolFile2...  DEBUG --->Reading Assoc:????/MetaDataHdrForm(DataHeaderForm) [20?]  (c , ffffffff)
+SimplePoolFile2...  DEBUG --->Reading Assoc:????/MetaDataHdrForm(DataHeaderForm) [20?]  (d , ffffffff)
 SimplePoolFile2...  DEBUG ---->ClassID:????
-##Links             DEBUG No objects passing selection criteria... Container has 11 Entries in total.
+##Links             DEBUG No objects passing selection criteria... Container has 12 Entries in total.
 SimplePoolFile2...  DEBUG --> Access   DbContainer  READ      [ROOT_All] ##Params
 ##Params            DEBUG Opening
 ##Params            DEBUG    attributes# = 1
@@ -802,7 +821,7 @@ ReadData             INFO EventInfo event: 0 run: 1
 ReadData             INFO Get Smart data ptr 1
 ReadData             INFO Could not find ExampleTrackContainer/MyTracks
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 21905
+PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 23369
 PoolSvc              INFO Database (SimplePoolFile2.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #0, run #1 11 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -824,7 +843,7 @@ ReadData             INFO EventInfo event: 1 run: 1
 ReadData             INFO Get Smart data ptr 1
 ReadData             INFO Could not find ExampleTrackContainer/MyTracks
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 21905
+PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 23369
 PoolSvc              INFO Database (SimplePoolFile2.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #1, run #1 12 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -846,7 +865,7 @@ ReadData             INFO EventInfo event: 2 run: 1
 ReadData             INFO Get Smart data ptr 1
 ReadData             INFO Could not find ExampleTrackContainer/MyTracks
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 21905
+PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 23369
 PoolSvc              INFO Database (SimplePoolFile2.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #2, run #1 13 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -868,7 +887,7 @@ ReadData             INFO EventInfo event: 3 run: 1
 ReadData             INFO Get Smart data ptr 1
 ReadData             INFO Could not find ExampleTrackContainer/MyTracks
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 21905
+PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 23369
 PoolSvc              INFO Database (SimplePoolFile2.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #3, run #1 14 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -890,7 +909,7 @@ ReadData             INFO EventInfo event: 4 run: 1
 ReadData             INFO Get Smart data ptr 1
 ReadData             INFO Could not find ExampleTrackContainer/MyTracks
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 21905
+PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 23369
 PoolSvc              INFO Database (SimplePoolFile2.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #4, run #1 15 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -912,7 +931,7 @@ ReadData             INFO EventInfo event: 5 run: 1
 ReadData             INFO Get Smart data ptr 1
 ReadData             INFO Could not find ExampleTrackContainer/MyTracks
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 21905
+PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 23369
 PoolSvc              INFO Database (SimplePoolFile2.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #5, run #1 16 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -934,7 +953,7 @@ ReadData             INFO EventInfo event: 6 run: 1
 ReadData             INFO Get Smart data ptr 1
 ReadData             INFO Could not find ExampleTrackContainer/MyTracks
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 21905
+PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 23369
 PoolSvc              INFO Database (SimplePoolFile2.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #6, run #1 17 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -956,7 +975,7 @@ ReadData             INFO EventInfo event: 7 run: 1
 ReadData             INFO Get Smart data ptr 1
 ReadData             INFO Could not find ExampleTrackContainer/MyTracks
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 21905
+PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 23369
 PoolSvc              INFO Database (SimplePoolFile2.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #7, run #1 18 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -978,7 +997,7 @@ ReadData             INFO EventInfo event: 8 run: 1
 ReadData             INFO Get Smart data ptr 1
 ReadData             INFO Could not find ExampleTrackContainer/MyTracks
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 21905
+PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 23369
 PoolSvc              INFO Database (SimplePoolFile2.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #8, run #1 19 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1000,7 +1019,7 @@ ReadData             INFO EventInfo event: 9 run: 1
 ReadData             INFO Get Smart data ptr 1
 ReadData             INFO Could not find ExampleTrackContainer/MyTracks
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 21905
+PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 23369
 PoolSvc              INFO Database (SimplePoolFile2.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #9, run #1 20 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1022,7 +1041,7 @@ ReadData             INFO EventInfo event: 10 run: 1
 ReadData             INFO Get Smart data ptr 1
 ReadData             INFO Could not find ExampleTrackContainer/MyTracks
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 21905
+PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 23369
 PoolSvc              INFO Database (SimplePoolFile2.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #10, run #1 21 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1044,7 +1063,7 @@ ReadData             INFO EventInfo event: 11 run: 1
 ReadData             INFO Get Smart data ptr 1
 ReadData             INFO Could not find ExampleTrackContainer/MyTracks
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 21905
+PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 23369
 PoolSvc              INFO Database (SimplePoolFile2.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #11, run #1 22 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1066,7 +1085,7 @@ ReadData             INFO EventInfo event: 12 run: 1
 ReadData             INFO Get Smart data ptr 1
 ReadData             INFO Could not find ExampleTrackContainer/MyTracks
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 21905
+PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 23369
 PoolSvc              INFO Database (SimplePoolFile2.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #12, run #1 23 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1088,7 +1107,7 @@ ReadData             INFO EventInfo event: 13 run: 1
 ReadData             INFO Get Smart data ptr 1
 ReadData             INFO Could not find ExampleTrackContainer/MyTracks
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 21905
+PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 23369
 PoolSvc              INFO Database (SimplePoolFile2.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #13, run #1 24 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1110,7 +1129,7 @@ ReadData             INFO EventInfo event: 14 run: 1
 ReadData             INFO Get Smart data ptr 1
 ReadData             INFO Could not find ExampleTrackContainer/MyTracks
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 21905
+PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 23369
 PoolSvc              INFO Database (SimplePoolFile2.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #14, run #1 25 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1132,7 +1151,7 @@ ReadData             INFO EventInfo event: 15 run: 1
 ReadData             INFO Get Smart data ptr 1
 ReadData             INFO Could not find ExampleTrackContainer/MyTracks
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 21905
+PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 23369
 PoolSvc              INFO Database (SimplePoolFile2.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #15, run #1 26 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1154,7 +1173,7 @@ ReadData             INFO EventInfo event: 16 run: 1
 ReadData             INFO Get Smart data ptr 1
 ReadData             INFO Could not find ExampleTrackContainer/MyTracks
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 21905
+PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 23369
 PoolSvc              INFO Database (SimplePoolFile2.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #16, run #1 27 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1176,7 +1195,7 @@ ReadData             INFO EventInfo event: 17 run: 1
 ReadData             INFO Get Smart data ptr 1
 ReadData             INFO Could not find ExampleTrackContainer/MyTracks
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 21905
+PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 23369
 PoolSvc              INFO Database (SimplePoolFile2.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #17, run #1 28 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1198,7 +1217,7 @@ ReadData             INFO EventInfo event: 18 run: 1
 ReadData             INFO Get Smart data ptr 1
 ReadData             INFO Could not find ExampleTrackContainer/MyTracks
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 21905
+PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 23369
 PoolSvc              INFO Database (SimplePoolFile2.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #18, run #1 29 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1220,10 +1239,11 @@ ReadData             INFO EventInfo event: 19 run: 1
 ReadData             INFO Get Smart data ptr 1
 ReadData             INFO Could not find ExampleTrackContainer/MyTracks
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 21905
+PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 23369
 PoolSvc              INFO Database (SimplePoolFile2.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #19, run #1 30 events processed so far  <<<===
 MetaDataSvc         DEBUG handle() EndInputFile for FID:????
+MetaDataSvc         DEBUG retireMetadataSource: FID:????
 EventSelector        INFO Disconnecting input sourceID: ????
 Domain[ROOT_All]     INFO ->  Deaccess DbDatabase   READ      [ROOT_All] ????
 Domain[ROOT_All]     INFO >   Deaccess DbDomain     READ      [ROOT_All] 
@@ -1251,7 +1271,9 @@ SimplePoolFile3...  DEBUG --->Reading Shape[5 , ????]: [1 Column(s)]
 SimplePoolFile3...  DEBUG ---->[0]:unsigned int Typ:unsigned int [3] Size:0 Offset:0 #Elements:1
 SimplePoolFile3...  DEBUG --->Reading Shape[6 , ????]: [1 Column(s)]
 SimplePoolFile3...  DEBUG ---->[0]:EventStreamInfo_p3 Typ:EventStreamInfo_p3 [21] Size:0 Offset:0 #Elements:1
-##Shapes            DEBUG No objects passing selection criteria... Container has 7 Entries in total.
+SimplePoolFile3...  DEBUG --->Reading Shape[7 , ????]: [1 Column(s)]
+SimplePoolFile3...  DEBUG ---->[0]:xAOD::EventFormat_v1 Typ:xAOD::EventFormat_v1 [21] Size:0 Offset:0 #Elements:1
+##Shapes            DEBUG No objects passing selection criteria... Container has 8 Entries in total.
 SimplePoolFile3...  DEBUG --> Access   DbContainer  READ      [ROOT_All] ##Links
 ##Links             DEBUG Opening
 ##Links             DEBUG    attributes# = 1
@@ -1276,11 +1298,13 @@ SimplePoolFile3...  DEBUG --->Reading Assoc:????/POOLCollectionTree(MagicNumber)
 SimplePoolFile3...  DEBUG ---->ClassID:????
 SimplePoolFile3...  DEBUG --->Reading Assoc:????/MetaData(EventStreamInfo_p3/Stream1) [20?]  (b , ffffffff)
 SimplePoolFile3...  DEBUG ---->ClassID:????
-SimplePoolFile3...  DEBUG --->Reading Assoc:????/MetaDataHdr(DataHeader) [20?]  (c , ffffffff)
+SimplePoolFile3...  DEBUG --->Reading Assoc:????/MetaData(xAOD::EventFormat_v1/EventFormatStream1) [20?]  (c , ffffffff)
 SimplePoolFile3...  DEBUG ---->ClassID:????
-SimplePoolFile3...  DEBUG --->Reading Assoc:????/MetaDataHdrForm(DataHeaderForm) [20?]  (d , ffffffff)
+SimplePoolFile3...  DEBUG --->Reading Assoc:????/MetaDataHdr(DataHeader) [20?]  (d , ffffffff)
 SimplePoolFile3...  DEBUG ---->ClassID:????
-##Links             DEBUG No objects passing selection criteria... Container has 12 Entries in total.
+SimplePoolFile3...  DEBUG --->Reading Assoc:????/MetaDataHdrForm(DataHeaderForm) [20?]  (e , ffffffff)
+SimplePoolFile3...  DEBUG ---->ClassID:????
+##Links             DEBUG No objects passing selection criteria... Container has 13 Entries in total.
 SimplePoolFile3...  DEBUG --> Access   DbContainer  READ      [ROOT_All] ##Params
 ##Params            DEBUG Opening
 ##Params            DEBUG    attributes# = 1
@@ -1363,7 +1387,7 @@ ReadData             INFO Track pt = 74.8928 eta = 3.1676 phi = 2.6161 detector
 DataProxy         WARNING accessData:  IOA pointer not set
 ReadData          WARNING Could not follow ExampleTrackContainer/MyTracks ElementLinks to ExampleHitContainer/MyHits
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 24304
+PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 25757
 PoolSvc              INFO Database (SimplePoolFile3.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #0, run #1 31 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1389,7 +1413,7 @@ ReadData             INFO Track pt = 137.584 eta = -39.525 phi = 17.2679 detecto
 DataProxy         WARNING accessData:  IOA pointer not set
 ReadData          WARNING Could not follow ExampleTrackContainer/MyTracks ElementLinks to ExampleHitContainer/MyHits
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 24304
+PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 25757
 PoolSvc              INFO Database (SimplePoolFile3.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #1, run #1 32 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1415,7 +1439,7 @@ ReadData             INFO Track pt = 228.154 eta = -6.2704 phi = 31.9197 detecto
 DataProxy         WARNING accessData:  IOA pointer not set
 ReadData          WARNING Could not follow ExampleTrackContainer/MyTracks ElementLinks to ExampleHitContainer/MyHits
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 24304
+PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 25757
 PoolSvc              INFO Database (SimplePoolFile3.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #2, run #1 33 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1441,7 +1465,7 @@ ReadData             INFO Track pt = 324.306 eta = -15.8941 phi = 46.5715 detect
 DataProxy         WARNING accessData:  IOA pointer not set
 ReadData          WARNING Could not follow ExampleTrackContainer/MyTracks ElementLinks to ExampleHitContainer/MyHits
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 24304
+PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 25757
 PoolSvc              INFO Database (SimplePoolFile3.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #3, run #1 34 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1467,7 +1491,7 @@ ReadData             INFO Track pt = 422.255 eta = -13.279 phi = 61.2233 detecto
 DataProxy         WARNING accessData:  IOA pointer not set
 ReadData          WARNING Could not follow ExampleTrackContainer/MyTracks ElementLinks to ExampleHitContainer/MyHits
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 24304
+PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 25757
 PoolSvc              INFO Database (SimplePoolFile3.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #4, run #1 35 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1493,7 +1517,7 @@ ReadData             INFO Track pt = 520.987 eta = -12.3511 phi = 75.8751 detect
 DataProxy         WARNING accessData:  IOA pointer not set
 ReadData          WARNING Could not follow ExampleTrackContainer/MyTracks ElementLinks to ExampleHitContainer/MyHits
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 24304
+PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 25757
 PoolSvc              INFO Database (SimplePoolFile3.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #5, run #1 36 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1519,7 +1543,7 @@ ReadData             INFO Track pt = 620.127 eta = -11.8468 phi = 90.5269 detect
 DataProxy         WARNING accessData:  IOA pointer not set
 ReadData          WARNING Could not follow ExampleTrackContainer/MyTracks ElementLinks to ExampleHitContainer/MyHits
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 24304
+PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 25757
 PoolSvc              INFO Database (SimplePoolFile3.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #6, run #1 37 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1545,7 +1569,7 @@ ReadData             INFO Track pt = 719.507 eta = -11.5247 phi = 105.179 detect
 DataProxy         WARNING accessData:  IOA pointer not set
 ReadData          WARNING Could not follow ExampleTrackContainer/MyTracks ElementLinks to ExampleHitContainer/MyHits
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 24304
+PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 25757
 PoolSvc              INFO Database (SimplePoolFile3.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #7, run #1 38 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1571,7 +1595,7 @@ ReadData             INFO Track pt = 819.038 eta = -11.2998 phi = 119.831 detect
 DataProxy         WARNING accessData:  IOA pointer not set
 ReadData          WARNING Could not follow ExampleTrackContainer/MyTracks ElementLinks to ExampleHitContainer/MyHits
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 24304
+PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 25757
 PoolSvc              INFO Database (SimplePoolFile3.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #8, run #1 39 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1597,7 +1621,7 @@ ReadData             INFO Track pt = 918.671 eta = -11.1334 phi = 134.482 detect
 DataProxy         WARNING accessData:  IOA pointer not set
 ReadData          WARNING Could not follow ExampleTrackContainer/MyTracks ElementLinks to ExampleHitContainer/MyHits
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 24304
+PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 25757
 PoolSvc              INFO Database (SimplePoolFile3.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #9, run #1 40 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1623,7 +1647,7 @@ ReadData             INFO Track pt = 1018.38 eta = -11.0052 phi = 149.134 detect
 DataProxy         WARNING accessData:  IOA pointer not set
 ReadData          WARNING Could not follow ExampleTrackContainer/MyTracks ElementLinks to ExampleHitContainer/MyHits
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 24304
+PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 25757
 PoolSvc              INFO Database (SimplePoolFile3.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #10, run #1 41 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1649,7 +1673,7 @@ ReadData             INFO Track pt = 1118.13 eta = -10.9031 phi = 163.786 detect
 DataProxy         WARNING accessData:  IOA pointer not set
 ReadData          WARNING Could not follow ExampleTrackContainer/MyTracks ElementLinks to ExampleHitContainer/MyHits
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 24304
+PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 25757
 PoolSvc              INFO Database (SimplePoolFile3.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #11, run #1 42 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1675,7 +1699,7 @@ ReadData             INFO Track pt = 1217.93 eta = -10.82 phi = 178.438 detector
 DataProxy         WARNING accessData:  IOA pointer not set
 ReadData          WARNING Could not follow ExampleTrackContainer/MyTracks ElementLinks to ExampleHitContainer/MyHits
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 24304
+PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 25757
 PoolSvc              INFO Database (SimplePoolFile3.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #12, run #1 43 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1701,7 +1725,7 @@ ReadData             INFO Track pt = 1317.76 eta = -10.751 phi = 193.09 detector
 DataProxy         WARNING accessData:  IOA pointer not set
 ReadData          WARNING Could not follow ExampleTrackContainer/MyTracks ElementLinks to ExampleHitContainer/MyHits
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 24304
+PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 25757
 PoolSvc              INFO Database (SimplePoolFile3.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #13, run #1 44 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1727,7 +1751,7 @@ ReadData             INFO Track pt = 1417.61 eta = -10.6927 phi = 207.741 detect
 DataProxy         WARNING accessData:  IOA pointer not set
 ReadData          WARNING Could not follow ExampleTrackContainer/MyTracks ElementLinks to ExampleHitContainer/MyHits
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 24304
+PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 25757
 PoolSvc              INFO Database (SimplePoolFile3.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #14, run #1 45 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1753,7 +1777,7 @@ ReadData             INFO Track pt = 1517.49 eta = -10.6429 phi = 222.393 detect
 DataProxy         WARNING accessData:  IOA pointer not set
 ReadData          WARNING Could not follow ExampleTrackContainer/MyTracks ElementLinks to ExampleHitContainer/MyHits
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 24304
+PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 25757
 PoolSvc              INFO Database (SimplePoolFile3.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #15, run #1 46 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1779,7 +1803,7 @@ ReadData             INFO Track pt = 1617.37 eta = -10.5997 phi = 237.045 detect
 DataProxy         WARNING accessData:  IOA pointer not set
 ReadData          WARNING Could not follow ExampleTrackContainer/MyTracks ElementLinks to ExampleHitContainer/MyHits
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 24304
+PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 25757
 PoolSvc              INFO Database (SimplePoolFile3.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #16, run #1 47 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1805,7 +1829,7 @@ ReadData             INFO Track pt = 1717.27 eta = -10.562 phi = 251.697 detecto
 DataProxy         WARNING accessData:  IOA pointer not set
 ReadData          WARNING Could not follow ExampleTrackContainer/MyTracks ElementLinks to ExampleHitContainer/MyHits
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 24304
+PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 25757
 PoolSvc              INFO Database (SimplePoolFile3.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #17, run #1 48 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1831,7 +1855,7 @@ ReadData             INFO Track pt = 1817.19 eta = -10.5288 phi = 266.349 detect
 DataProxy         WARNING accessData:  IOA pointer not set
 ReadData          WARNING Could not follow ExampleTrackContainer/MyTracks ElementLinks to ExampleHitContainer/MyHits
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 24304
+PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 25757
 PoolSvc              INFO Database (SimplePoolFile3.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #18, run #1 49 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1857,10 +1881,11 @@ ReadData             INFO Track pt = 1917.11 eta = -10.4993 phi = 281 detector =
 DataProxy         WARNING accessData:  IOA pointer not set
 ReadData          WARNING Could not follow ExampleTrackContainer/MyTracks ElementLinks to ExampleHitContainer/MyHits
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 24304
+PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 25757
 PoolSvc              INFO Database (SimplePoolFile3.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #19, run #1 50 events processed so far  <<<===
 MetaDataSvc         DEBUG handle() EndInputFile for FID:????
+MetaDataSvc         DEBUG retireMetadataSource: FID:????
 EventSelector        INFO Disconnecting input sourceID: ????
 Domain[ROOT_All]     INFO ->  Deaccess DbDatabase   READ      [ROOT_All] ????
 Domain[ROOT_All]     INFO >   Deaccess DbDomain     READ      [ROOT_All] 
@@ -1875,9 +1900,9 @@ ToolSvc              INFO Removing all tools created by ToolSvc
 *****Chrono*****     INFO ****************************************************************************************************
 *****Chrono*****     INFO  The Final CPU consumption ( Chrono ) Table (ordered)
 *****Chrono*****     INFO ****************************************************************************************************
-cObjR_ALL            INFO Time User   : Tot=   10 [ms] Ave/Min/Max=0.068(+-0.822)/    0/   10 [ms] #=147
-cObj_ALL             INFO Time User   : Tot=   40 [ms] Ave/Min/Max=0.288(+- 1.67)/    0/   10 [ms] #=139
-ChronoStatSvc        INFO Time User   : Tot= 0.51  [s]                                             #=  1
+cObjR_ALL            INFO Time User   : Tot=    0 [us] Ave/Min/Max=       0(+-       0)/       0/       0 [us] #=147
+cObj_ALL             INFO Time User   : Tot=   20 [ms] Ave/Min/Max=   0.144(+-    1.19)/       0/      10 [ms] #=139
+ChronoStatSvc        INFO Time User   : Tot=  180 [ms]  #=  1
 *****Chrono*****     INFO ****************************************************************************************************
 ChronoStatSvc.f...   INFO  Service finalized successfully 
 ApplicationMgr       INFO Application Manager Finalized successfully
diff --git a/Database/AthenaPOOL/AthenaPoolExample/AthenaPoolExampleAlgorithms/share/AthenaPoolExample_ReadAgain.ref b/Database/AthenaPOOL/AthenaPoolExample/AthenaPoolExampleAlgorithms/share/AthenaPoolExample_ReadAgain.ref
index 5b39c54ec2337ab5ad76f6248e60c849b8e373ec..17d9d836652ce5ec39eb51724d624336995dbb85 100644
--- a/Database/AthenaPOOL/AthenaPoolExample/AthenaPoolExampleAlgorithms/share/AthenaPoolExample_ReadAgain.ref
+++ b/Database/AthenaPOOL/AthenaPoolExample/AthenaPoolExampleAlgorithms/share/AthenaPoolExample_ReadAgain.ref
@@ -1,40 +1,38 @@
-Sat Nov  2 01:40:39 CET 2019
+Tue Oct  6 16:04:16 CEST 20?0
 Preloading tcmalloc_minimal.so
 Athena               INFO including file "AthenaCommon/Preparation.py"
 Athena               INFO including file "AthenaCommon/Atlas.UnixStandardJob.py"
 Athena               INFO executing ROOT6Setup
 Athena               INFO including file "AthenaCommon/Execution.py"
 Athena               INFO including file "AthenaPoolExampleAlgorithms/AthenaPoolExample_ReadAgainJobOptions.py"
-Py:ConfigurableDb    INFO Read module info for 5598 configurables from 9 genConfDb files
+Py:ConfigurableDb    INFO Read module info for 5569 configurables from 4 genConfDb files
 Py:ConfigurableDb    INFO No duplicates have been found: that's good !
 Athena               INFO including file "AthenaCommon/runbatch.py"
-ApplicationMgr       INFO Updating Gaudi::PluginService::SetDebug(level) to level= 'PluginDebugLevel':0
-ApplicationMgr       INFO Updating Gaudi::PluginService::SetDebug(level) to level= 'PluginDebugLevel':0
 ApplicationMgr    SUCCESS 
 ====================================================================================================================================
-                                                   Welcome to ApplicationMgr (GaudiCoreSvc v32r2)
-                                          running on aibuild028.cern.ch on Sat Nov  2 01:40:49 2019
+                                                   Welcome to ApplicationMgr (GaudiCoreSvc v34r0)
+                                          running on 58dd451bc47f on Tue Oct  6 16:04:22 20?0
 ====================================================================================================================================
 ApplicationMgr       INFO Application Manager Configured successfully
-ApplicationMgr       INFO Updating Gaudi::PluginService::SetDebug(level) to level= 'PluginDebugLevel':0
-StatusCodeSvc        INFO initialize
 AthDictLoaderSvc     INFO in initialize...
 AthDictLoaderSvc     INFO acquired Dso-registry
-ClassIDSvc           INFO  getRegistryEntries: read 3286 CLIDRegistry entries for module ALL
+ClassIDSvc           INFO  getRegistryEntries: read 3308 CLIDRegistry entries for module ALL
 AthenaEventLoopMgr   INFO Initializing AthenaEventLoopMgr - package version AthenaServices-00-00-00
-ClassIDSvc           INFO  getRegistryEntries: read 846 CLIDRegistry entries for module ALL
-ReadData            DEBUG Property update for OutputLevel : new value = 2
+ClassIDSvc           INFO  getRegistryEntries: read 722 CLIDRegistry entries for module ALL
+ClassIDSvc           INFO  getRegistryEntries: read 591 CLIDRegistry entries for module ALL
+EventInfoCnvAlg      INFO Initializing - Package version: xAODEventInfoCnv-00-00-00
+EventInfoCnvAlg...   INFO Initializing - Package version: xAODEventInfoCnv-00-00-00
 MetaDataSvc         DEBUG Property update for OutputLevel : new value = 2
 MetaDataSvc          INFO Initializing MetaDataSvc - package version AthenaServices-00-00-00
 MetaDataSvc         DEBUG Service base class initialized successfully
-AthenaPoolCnvSvc     INFO Initializing AthenaPoolCnvSvc - package version AthenaPoolCnvSvc-00-00-00
 PoolSvc             DEBUG Property update for OutputLevel : new value = 2
 PoolSvc             DEBUG Service base class initialized successfully
 PoolSvc              INFO Set connectionsvc retry/timeout/IDLE timeout to  'ConnectionRetrialPeriod':300/ 'ConnectionRetrialTimeOut':3600/ 'ConnectionTimeOut':5 seconds with connection cleanup disabled
 PoolSvc              INFO Frontier compression level set to 5
-DBReplicaSvc         INFO Frontier server at (serverurl=http://atlasfrontier-local.cern.ch:8000/atlr)(serverurl=http://atlasfrontier-ai.cern.ch:8000/atlr)(serverurl=http://lcgft-atlas.gridpp.rl.ac.uk:3128/frontierATLAS)(serverurl=http://ccfrontier.in2p3.fr:23128/ccin2p3-AtlasFrontier)(proxyurl=http://ca-proxy.cern.ch:3128)(proxyurl=http://ca-proxy-meyrin.cern.ch:3128)(proxyurl=http://ca-proxy-wigner.cern.ch:3128)(proxyurl=http://atlasbpfrontier.cern.ch:3127)(proxyurl=http://atlasbpfrontier.fnal.gov:3127) will be considered for COOL data
-DBReplicaSvc         INFO Read replica configuration from /cvmfs/atlas-nightlies.cern.ch/repo/sw/master/2019-10-31T2131/Athena/22.0.7/InstallArea/x86_64-centos7-gcc8-opt/share/dbreplica.config
-DBReplicaSvc         INFO Total of 10 servers found for host aibuild028.cern.ch [ATLF ATLAS_COOLPROD atlas_dd ATLAS_CONFIG INT8R INTR ATONR_COOL ATONR_CONF DEVDB11 ATLF ]
+DBReplicaSvc         INFO Frontier server at (serverurl=http://atlasfrontier-ai.cern.ch:8000/atlr)(serverurl=http://frontier-atlas.lcg.triumf.ca:3128/ATLAS_frontier)(serverurl=http://ccfrontier.in2p3.fr:23128/ccin2p3-AtlasFrontier)(proxyurl=http://atlasbpfrontier.cern.ch:3127)(proxyurl=http://atlasbpfrontier.fnal.gov:3127) will be considered for COOL data
+DBReplicaSvc         INFO Read replica configuration from /cvmfs/atlas-nightlies.cern.ch/repo/sw/master_Athena_x86_64-centos7-gcc8-opt/20?0-10-05T2101/Athena/22.0.19/InstallArea/x86_64-centos7-gcc8-opt/share/dbreplica.config
+DBReplicaSvc         INFO No specific match for domain found - use default fallback
+DBReplicaSvc         INFO Total of 2 servers found for host 58dd451bc47f [ATLF atlas_dd ]
 PoolSvc              INFO Successfully setup replica sorting algorithm
 PoolSvc             DEBUG OutputLevel is 2
 PoolSvc              INFO Setting up APR FileCatalog and Streams
@@ -59,10 +57,12 @@ EmptyPoolFile.root  DEBUG --> Access   DbContainer  READ      [ROOT_All] ##Shape
 EmptyPoolFile.root  DEBUG --->Reading Shape[0 , ????]: [1 Column(s)]
 EmptyPoolFile.root  DEBUG ---->[0]:EventStreamInfo_p3 Typ:EventStreamInfo_p3 [21] Size:0 Offset:0 #Elements:1
 EmptyPoolFile.root  DEBUG --->Reading Shape[1 , ????]: [1 Column(s)]
-EmptyPoolFile.root  DEBUG ---->[0]:DataHeader_p6 Typ:DataHeader_p6 [21] Size:0 Offset:0 #Elements:1
+EmptyPoolFile.root  DEBUG ---->[0]:xAOD::EventFormat_v1 Typ:xAOD::EventFormat_v1 [21] Size:0 Offset:0 #Elements:1
 EmptyPoolFile.root  DEBUG --->Reading Shape[2 , ????]: [1 Column(s)]
+EmptyPoolFile.root  DEBUG ---->[0]:DataHeader_p6 Typ:DataHeader_p6 [21] Size:0 Offset:0 #Elements:1
+EmptyPoolFile.root  DEBUG --->Reading Shape[3 , ????]: [1 Column(s)]
 EmptyPoolFile.root  DEBUG ---->[0]:DataHeaderForm_p6 Typ:DataHeaderForm_p6 [21] Size:0 Offset:0 #Elements:1
-##Shapes            DEBUG No objects passing selection criteria... Container has 3 Entries in total.
+##Shapes            DEBUG No objects passing selection criteria... Container has 4 Entries in total.
 EmptyPoolFile.root  DEBUG --> Access   DbContainer  READ      [ROOT_All] ##Links
 ##Links             DEBUG Opening
 ##Links             DEBUG    attributes# = 1
@@ -71,11 +71,13 @@ EmptyPoolFile.root  DEBUG --->Reading Assoc:????/##Params [200]  (2 , ffffffff)
 EmptyPoolFile.root  DEBUG ---->ClassID:????
 EmptyPoolFile.root  DEBUG --->Reading Assoc:????/MetaData(EventStreamInfo_p3/Stream3) [20?]  (3 , ffffffff)
 EmptyPoolFile.root  DEBUG ---->ClassID:????
-EmptyPoolFile.root  DEBUG --->Reading Assoc:????/MetaDataHdr(DataHeader) [20?]  (4 , ffffffff)
+EmptyPoolFile.root  DEBUG --->Reading Assoc:????/MetaData(xAOD::EventFormat_v1/EventFormatStream3) [20?]  (4 , ffffffff)
 EmptyPoolFile.root  DEBUG ---->ClassID:????
-EmptyPoolFile.root  DEBUG --->Reading Assoc:????/MetaDataHdrForm(DataHeaderForm) [20?]  (5 , ffffffff)
+EmptyPoolFile.root  DEBUG --->Reading Assoc:????/MetaDataHdr(DataHeader) [20?]  (5 , ffffffff)
 EmptyPoolFile.root  DEBUG ---->ClassID:????
-##Links             DEBUG No objects passing selection criteria... Container has 4 Entries in total.
+EmptyPoolFile.root  DEBUG --->Reading Assoc:????/MetaDataHdrForm(DataHeaderForm) [20?]  (6 , ffffffff)
+EmptyPoolFile.root  DEBUG ---->ClassID:????
+##Links             DEBUG No objects passing selection criteria... Container has 5 Entries in total.
 EmptyPoolFile.root  DEBUG --> Access   DbContainer  READ      [ROOT_All] ##Params
 ##Params            DEBUG Opening
 ##Params            DEBUG    attributes# = 1
@@ -121,7 +123,9 @@ SimplePoolRepli...  DEBUG --->Reading Shape[8 , ????]: [1 Column(s)]
 SimplePoolRepli...  DEBUG ---->[0]:float Typ:float [10] Size:0 Offset:0 #Elements:1
 SimplePoolRepli...  DEBUG --->Reading Shape[9 , ????]: [1 Column(s)]
 SimplePoolRepli...  DEBUG ---->[0]:EventStreamInfo_p3 Typ:EventStreamInfo_p3 [21] Size:0 Offset:0 #Elements:1
-##Shapes            DEBUG No objects passing selection criteria... Container has 10 Entries in total.
+SimplePoolRepli...  DEBUG --->Reading Shape[10 , ????]: [1 Column(s)]
+SimplePoolRepli...  DEBUG ---->[0]:xAOD::EventFormat_v1 Typ:xAOD::EventFormat_v1 [21] Size:0 Offset:0 #Elements:1
+##Shapes            DEBUG No objects passing selection criteria... Container has 11 Entries in total.
 SimplePoolRepli...  DEBUG --> Access   DbContainer  READ      [ROOT_All] ##Links
 ##Links             DEBUG Opening
 ##Links             DEBUG    attributes# = 1
@@ -164,11 +168,13 @@ SimplePoolRepli...  DEBUG --->Reading Assoc:????/POOLCollectionTree(EventWeight)
 SimplePoolRepli...  DEBUG ---->ClassID:????
 SimplePoolRepli...  DEBUG --->Reading Assoc:????/MetaData(EventStreamInfo_p3/Stream1) [20?]  (14 , ffffffff)
 SimplePoolRepli...  DEBUG ---->ClassID:????
-SimplePoolRepli...  DEBUG --->Reading Assoc:????/MetaDataHdr(DataHeader) [20?]  (15 , ffffffff)
+SimplePoolRepli...  DEBUG --->Reading Assoc:????/MetaData(xAOD::EventFormat_v1/EventFormatStream1) [20?]  (15 , ffffffff)
+SimplePoolRepli...  DEBUG ---->ClassID:????
+SimplePoolRepli...  DEBUG --->Reading Assoc:????/MetaDataHdr(DataHeader) [20?]  (16 , ffffffff)
 SimplePoolRepli...  DEBUG ---->ClassID:????
-SimplePoolRepli...  DEBUG --->Reading Assoc:????/MetaDataHdrForm(DataHeaderForm) [20?]  (16 , ffffffff)
+SimplePoolRepli...  DEBUG --->Reading Assoc:????/MetaDataHdrForm(DataHeaderForm) [20?]  (17 , ffffffff)
 SimplePoolRepli...  DEBUG ---->ClassID:????
-##Links             DEBUG No objects passing selection criteria... Container has 21 Entries in total.
+##Links             DEBUG No objects passing selection criteria... Container has 22 Entries in total.
 SimplePoolRepli...  DEBUG --> Access   DbContainer  READ      [ROOT_All] ##Params
 ##Params            DEBUG Opening
 ##Params            DEBUG    attributes# = 1
@@ -183,7 +189,7 @@ MetaDataHdr(Dat...  DEBUG Opening
 MetaDataHdr(Dat...  DEBUG    attributes# = 1
 MetaDataHdr(Dat...  DEBUG Branch container 'DataHeader'
 MetaDataHdr(Dat...  DEBUG Opened container MetaDataHdr(DataHeader) of type ROOT_Tree
-ClassIDSvc           INFO  getRegistryEntries: read 1642 CLIDRegistry entries for module ALL
+ClassIDSvc           INFO  getRegistryEntries: read 1666 CLIDRegistry entries for module ALL
 EventPersistenc...   INFO Added successfully Conversion service:AthenaPoolCnvSvc
 SimplePoolRepli...  DEBUG --> Access   DbContainer  READ      [ROOT_Tree] MetaDataHdrForm(DataHeaderForm)
 MetaDataHdrForm...  DEBUG Opening
@@ -218,10 +224,12 @@ EmptyPoolFile.root  DEBUG --> Access   DbContainer  READ      [ROOT_All] ##Shape
 EmptyPoolFile.root  DEBUG --->Reading Shape[0 , ????]: [1 Column(s)]
 EmptyPoolFile.root  DEBUG ---->[0]:EventStreamInfo_p3 Typ:EventStreamInfo_p3 [21] Size:0 Offset:0 #Elements:1
 EmptyPoolFile.root  DEBUG --->Reading Shape[1 , ????]: [1 Column(s)]
-EmptyPoolFile.root  DEBUG ---->[0]:DataHeader_p6 Typ:DataHeader_p6 [21] Size:0 Offset:0 #Elements:1
+EmptyPoolFile.root  DEBUG ---->[0]:xAOD::EventFormat_v1 Typ:xAOD::EventFormat_v1 [21] Size:0 Offset:0 #Elements:1
 EmptyPoolFile.root  DEBUG --->Reading Shape[2 , ????]: [1 Column(s)]
+EmptyPoolFile.root  DEBUG ---->[0]:DataHeader_p6 Typ:DataHeader_p6 [21] Size:0 Offset:0 #Elements:1
+EmptyPoolFile.root  DEBUG --->Reading Shape[3 , ????]: [1 Column(s)]
 EmptyPoolFile.root  DEBUG ---->[0]:DataHeaderForm_p6 Typ:DataHeaderForm_p6 [21] Size:0 Offset:0 #Elements:1
-##Shapes            DEBUG No objects passing selection criteria... Container has 3 Entries in total.
+##Shapes            DEBUG No objects passing selection criteria... Container has 4 Entries in total.
 EmptyPoolFile.root  DEBUG --> Access   DbContainer  READ      [ROOT_All] ##Links
 ##Links             DEBUG Opening
 ##Links             DEBUG    attributes# = 1
@@ -230,11 +238,13 @@ EmptyPoolFile.root  DEBUG --->Reading Assoc:????/##Params [200]  (2 , ffffffff)
 EmptyPoolFile.root  DEBUG ---->ClassID:????
 EmptyPoolFile.root  DEBUG --->Reading Assoc:????/MetaData(EventStreamInfo_p3/Stream3) [20?]  (3 , ffffffff)
 EmptyPoolFile.root  DEBUG ---->ClassID:????
-EmptyPoolFile.root  DEBUG --->Reading Assoc:????/MetaDataHdr(DataHeader) [20?]  (4 , ffffffff)
+EmptyPoolFile.root  DEBUG --->Reading Assoc:????/MetaData(xAOD::EventFormat_v1/EventFormatStream3) [20?]  (4 , ffffffff)
 EmptyPoolFile.root  DEBUG ---->ClassID:????
-EmptyPoolFile.root  DEBUG --->Reading Assoc:????/MetaDataHdrForm(DataHeaderForm) [20?]  (5 , ffffffff)
+EmptyPoolFile.root  DEBUG --->Reading Assoc:????/MetaDataHdr(DataHeader) [20?]  (5 , ffffffff)
 EmptyPoolFile.root  DEBUG ---->ClassID:????
-##Links             DEBUG No objects passing selection criteria... Container has 4 Entries in total.
+EmptyPoolFile.root  DEBUG --->Reading Assoc:????/MetaDataHdrForm(DataHeaderForm) [20?]  (6 , ffffffff)
+EmptyPoolFile.root  DEBUG ---->ClassID:????
+##Links             DEBUG No objects passing selection criteria... Container has 5 Entries in total.
 EmptyPoolFile.root  DEBUG --> Access   DbContainer  READ      [ROOT_All] ##Params
 ##Params            DEBUG Opening
 ##Params            DEBUG    attributes# = 1
@@ -262,6 +272,7 @@ MetaDataHdrForm...  DEBUG Opened container MetaDataHdrForm(DataHeaderForm) of ty
 MetaDataSvc         DEBUG Loaded input meta data store proxies
 MetaDataSvc         DEBUG  calling beginInputFile for ToolSvc.IOVDbMetaDataTool
 MetaDataSvc         DEBUG handle() EndInputFile for eventless EmptyPoolFile.root
+MetaDataSvc         DEBUG retireMetadataSource: eventless EmptyPoolFile.root
 Domain[ROOT_All]     INFO ->  Deaccess DbDatabase   READ      [ROOT_All] ????
 EventSelector       DEBUG Try item: "SimplePoolReplica1.root" from the collection list.
 ApplicationMgr       INFO Application Manager Started successfully
@@ -348,7 +359,7 @@ ReadData             INFO Hit x = 1020.49 y = 63.5816 z = -951.864 detector = Du
 ReadData             INFO Hit x = 1023.7 y = 57.9027 z = -953.684 detector = DummyHitDetector
 ReadData             INFO Hit x = 1026.91 y = 52.2238 z = -955.073 detector = DummyHitDetector
 ReadData             INFO Hit x = 1030.12 y = 46.5449 z = -956.169 detector = DummyHitDetector
-PoolSvc              INFO Database (SimplePoolReplica1.root) attribute [BYTES_READ]: 26538
+PoolSvc              INFO Database (SimplePoolReplica1.root) attribute [BYTES_READ]: 27536
 PoolSvc              INFO Database (SimplePoolReplica1.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #10, run #1 1 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -382,7 +393,7 @@ ReadData             INFO Hit x = 1120.49 y = 63.5816 z = -1051.86 detector = Du
 ReadData             INFO Hit x = 1123.7 y = 57.9027 z = -1053.68 detector = DummyHitDetector
 ReadData             INFO Hit x = 1126.91 y = 52.2238 z = -1055.07 detector = DummyHitDetector
 ReadData             INFO Hit x = 1130.12 y = 46.5449 z = -1056.17 detector = DummyHitDetector
-PoolSvc              INFO Database (SimplePoolReplica1.root) attribute [BYTES_READ]: 26538
+PoolSvc              INFO Database (SimplePoolReplica1.root) attribute [BYTES_READ]: 27536
 PoolSvc              INFO Database (SimplePoolReplica1.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #11, run #1 2 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -415,7 +426,7 @@ ReadData             INFO Hit x = 1220.49 y = 63.5816 z = -1151.86 detector = Du
 ReadData             INFO Hit x = 1223.7 y = 57.9027 z = -1153.68 detector = DummyHitDetector
 ReadData             INFO Hit x = 1226.91 y = 52.2238 z = -1155.07 detector = DummyHitDetector
 ReadData             INFO Hit x = 1230.12 y = 46.5449 z = -1156.17 detector = DummyHitDetector
-PoolSvc              INFO Database (SimplePoolReplica1.root) attribute [BYTES_READ]: 26538
+PoolSvc              INFO Database (SimplePoolReplica1.root) attribute [BYTES_READ]: 27536
 PoolSvc              INFO Database (SimplePoolReplica1.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #12, run #1 3 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -448,7 +459,7 @@ ReadData             INFO Hit x = 1320.49 y = 63.5816 z = -1251.86 detector = Du
 ReadData             INFO Hit x = 1323.7 y = 57.9027 z = -1253.68 detector = DummyHitDetector
 ReadData             INFO Hit x = 1326.91 y = 52.2238 z = -1255.07 detector = DummyHitDetector
 ReadData             INFO Hit x = 1330.12 y = 46.5449 z = -1256.17 detector = DummyHitDetector
-PoolSvc              INFO Database (SimplePoolReplica1.root) attribute [BYTES_READ]: 26538
+PoolSvc              INFO Database (SimplePoolReplica1.root) attribute [BYTES_READ]: 27536
 PoolSvc              INFO Database (SimplePoolReplica1.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #13, run #1 4 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -481,7 +492,7 @@ ReadData             INFO Hit x = 1420.49 y = 63.5816 z = -1351.86 detector = Du
 ReadData             INFO Hit x = 1423.7 y = 57.9027 z = -1353.68 detector = DummyHitDetector
 ReadData             INFO Hit x = 1426.91 y = 52.2238 z = -1355.07 detector = DummyHitDetector
 ReadData             INFO Hit x = 1430.12 y = 46.5449 z = -1356.17 detector = DummyHitDetector
-PoolSvc              INFO Database (SimplePoolReplica1.root) attribute [BYTES_READ]: 26538
+PoolSvc              INFO Database (SimplePoolReplica1.root) attribute [BYTES_READ]: 27536
 PoolSvc              INFO Database (SimplePoolReplica1.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #14, run #1 5 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -514,7 +525,7 @@ ReadData             INFO Hit x = 1520.49 y = 63.5816 z = -1451.86 detector = Du
 ReadData             INFO Hit x = 1523.7 y = 57.9027 z = -1453.68 detector = DummyHitDetector
 ReadData             INFO Hit x = 1526.91 y = 52.2238 z = -1455.07 detector = DummyHitDetector
 ReadData             INFO Hit x = 1530.12 y = 46.5449 z = -1456.17 detector = DummyHitDetector
-PoolSvc              INFO Database (SimplePoolReplica1.root) attribute [BYTES_READ]: 26538
+PoolSvc              INFO Database (SimplePoolReplica1.root) attribute [BYTES_READ]: 27536
 PoolSvc              INFO Database (SimplePoolReplica1.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #15, run #1 6 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -547,7 +558,7 @@ ReadData             INFO Hit x = 1620.49 y = 63.5816 z = -1551.86 detector = Du
 ReadData             INFO Hit x = 1623.7 y = 57.9027 z = -1553.68 detector = DummyHitDetector
 ReadData             INFO Hit x = 1626.91 y = 52.2238 z = -1555.07 detector = DummyHitDetector
 ReadData             INFO Hit x = 1630.12 y = 46.5449 z = -1556.17 detector = DummyHitDetector
-PoolSvc              INFO Database (SimplePoolReplica1.root) attribute [BYTES_READ]: 26538
+PoolSvc              INFO Database (SimplePoolReplica1.root) attribute [BYTES_READ]: 27536
 PoolSvc              INFO Database (SimplePoolReplica1.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #16, run #1 7 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -580,7 +591,7 @@ ReadData             INFO Hit x = 1720.49 y = 63.5816 z = -1651.86 detector = Du
 ReadData             INFO Hit x = 1723.7 y = 57.9027 z = -1653.68 detector = DummyHitDetector
 ReadData             INFO Hit x = 1726.91 y = 52.2238 z = -1655.07 detector = DummyHitDetector
 ReadData             INFO Hit x = 1730.12 y = 46.5449 z = -1656.17 detector = DummyHitDetector
-PoolSvc              INFO Database (SimplePoolReplica1.root) attribute [BYTES_READ]: 26538
+PoolSvc              INFO Database (SimplePoolReplica1.root) attribute [BYTES_READ]: 27536
 PoolSvc              INFO Database (SimplePoolReplica1.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #17, run #1 8 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -613,7 +624,7 @@ ReadData             INFO Hit x = 1820.49 y = 63.5816 z = -1751.86 detector = Du
 ReadData             INFO Hit x = 1823.7 y = 57.9027 z = -1753.68 detector = DummyHitDetector
 ReadData             INFO Hit x = 1826.91 y = 52.2238 z = -1755.07 detector = DummyHitDetector
 ReadData             INFO Hit x = 1830.12 y = 46.5449 z = -1756.17 detector = DummyHitDetector
-PoolSvc              INFO Database (SimplePoolReplica1.root) attribute [BYTES_READ]: 26538
+PoolSvc              INFO Database (SimplePoolReplica1.root) attribute [BYTES_READ]: 27536
 PoolSvc              INFO Database (SimplePoolReplica1.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #18, run #1 9 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -646,10 +657,11 @@ ReadData             INFO Hit x = 1920.49 y = 63.5816 z = -1851.86 detector = Du
 ReadData             INFO Hit x = 1923.7 y = 57.9027 z = -1853.68 detector = DummyHitDetector
 ReadData             INFO Hit x = 1926.91 y = 52.2238 z = -1855.07 detector = DummyHitDetector
 ReadData             INFO Hit x = 1930.12 y = 46.5449 z = -1856.17 detector = DummyHitDetector
-PoolSvc              INFO Database (SimplePoolReplica1.root) attribute [BYTES_READ]: 26538
+PoolSvc              INFO Database (SimplePoolReplica1.root) attribute [BYTES_READ]: 27536
 PoolSvc              INFO Database (SimplePoolReplica1.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #19, run #1 10 events processed so far  <<<===
 MetaDataSvc         DEBUG handle() EndInputFile for FID:????
+MetaDataSvc         DEBUG retireMetadataSource: FID:????
 EventSelector        INFO Disconnecting input sourceID: ????
 Domain[ROOT_All]     INFO ->  Deaccess DbDatabase   READ      [ROOT_All] ????
 Domain[ROOT_All]     INFO >   Deaccess DbDomain     READ      [ROOT_All] 
@@ -666,10 +678,12 @@ EmptyPoolFile.root  DEBUG --> Access   DbContainer  READ      [ROOT_All] ##Shape
 EmptyPoolFile.root  DEBUG --->Reading Shape[0 , ????]: [1 Column(s)]
 EmptyPoolFile.root  DEBUG ---->[0]:EventStreamInfo_p3 Typ:EventStreamInfo_p3 [21] Size:0 Offset:0 #Elements:1
 EmptyPoolFile.root  DEBUG --->Reading Shape[1 , ????]: [1 Column(s)]
-EmptyPoolFile.root  DEBUG ---->[0]:DataHeader_p6 Typ:DataHeader_p6 [21] Size:0 Offset:0 #Elements:1
+EmptyPoolFile.root  DEBUG ---->[0]:xAOD::EventFormat_v1 Typ:xAOD::EventFormat_v1 [21] Size:0 Offset:0 #Elements:1
 EmptyPoolFile.root  DEBUG --->Reading Shape[2 , ????]: [1 Column(s)]
+EmptyPoolFile.root  DEBUG ---->[0]:DataHeader_p6 Typ:DataHeader_p6 [21] Size:0 Offset:0 #Elements:1
+EmptyPoolFile.root  DEBUG --->Reading Shape[3 , ????]: [1 Column(s)]
 EmptyPoolFile.root  DEBUG ---->[0]:DataHeaderForm_p6 Typ:DataHeaderForm_p6 [21] Size:0 Offset:0 #Elements:1
-##Shapes            DEBUG No objects passing selection criteria... Container has 3 Entries in total.
+##Shapes            DEBUG No objects passing selection criteria... Container has 4 Entries in total.
 EmptyPoolFile.root  DEBUG --> Access   DbContainer  READ      [ROOT_All] ##Links
 ##Links             DEBUG Opening
 ##Links             DEBUG    attributes# = 1
@@ -678,11 +692,13 @@ EmptyPoolFile.root  DEBUG --->Reading Assoc:????/##Params [200]  (2 , ffffffff)
 EmptyPoolFile.root  DEBUG ---->ClassID:????
 EmptyPoolFile.root  DEBUG --->Reading Assoc:????/MetaData(EventStreamInfo_p3/Stream3) [20?]  (3 , ffffffff)
 EmptyPoolFile.root  DEBUG ---->ClassID:????
-EmptyPoolFile.root  DEBUG --->Reading Assoc:????/MetaDataHdr(DataHeader) [20?]  (4 , ffffffff)
+EmptyPoolFile.root  DEBUG --->Reading Assoc:????/MetaData(xAOD::EventFormat_v1/EventFormatStream3) [20?]  (4 , ffffffff)
+EmptyPoolFile.root  DEBUG ---->ClassID:????
+EmptyPoolFile.root  DEBUG --->Reading Assoc:????/MetaDataHdr(DataHeader) [20?]  (5 , ffffffff)
 EmptyPoolFile.root  DEBUG ---->ClassID:????
-EmptyPoolFile.root  DEBUG --->Reading Assoc:????/MetaDataHdrForm(DataHeaderForm) [20?]  (5 , ffffffff)
+EmptyPoolFile.root  DEBUG --->Reading Assoc:????/MetaDataHdrForm(DataHeaderForm) [20?]  (6 , ffffffff)
 EmptyPoolFile.root  DEBUG ---->ClassID:????
-##Links             DEBUG No objects passing selection criteria... Container has 4 Entries in total.
+##Links             DEBUG No objects passing selection criteria... Container has 5 Entries in total.
 EmptyPoolFile.root  DEBUG --> Access   DbContainer  READ      [ROOT_All] ##Params
 ##Params            DEBUG Opening
 ##Params            DEBUG    attributes# = 1
@@ -705,6 +721,7 @@ MetaDataHdr(Dat...  DEBUG Opened container MetaDataHdr(DataHeader) of type ROOT_
 MetaDataSvc         DEBUG Loaded input meta data store proxies
 MetaDataSvc         DEBUG  calling beginInputFile for ToolSvc.IOVDbMetaDataTool
 MetaDataSvc         DEBUG handle() EndInputFile for eventless EmptyPoolFile.root
+MetaDataSvc         DEBUG retireMetadataSource: eventless EmptyPoolFile.root
 Domain[ROOT_All]     INFO ->  Deaccess DbDatabase   READ      [ROOT_All] ????
 Domain[ROOT_All]     INFO >   Deaccess DbDomain     READ      [ROOT_All] 
 EventSelector       DEBUG Try item: "SimplePoolFile2.root" from the collection list.
@@ -729,7 +746,9 @@ SimplePoolFile2...  DEBUG --->Reading Shape[4 , ????]: [1 Column(s)]
 SimplePoolFile2...  DEBUG ---->[0]:unsigned int Typ:unsigned int [3] Size:0 Offset:0 #Elements:1
 SimplePoolFile2...  DEBUG --->Reading Shape[5 , ????]: [1 Column(s)]
 SimplePoolFile2...  DEBUG ---->[0]:EventStreamInfo_p3 Typ:EventStreamInfo_p3 [21] Size:0 Offset:0 #Elements:1
-##Shapes            DEBUG No objects passing selection criteria... Container has 6 Entries in total.
+SimplePoolFile2...  DEBUG --->Reading Shape[6 , ????]: [1 Column(s)]
+SimplePoolFile2...  DEBUG ---->[0]:xAOD::EventFormat_v1 Typ:xAOD::EventFormat_v1 [21] Size:0 Offset:0 #Elements:1
+##Shapes            DEBUG No objects passing selection criteria... Container has 7 Entries in total.
 SimplePoolFile2...  DEBUG --> Access   DbContainer  READ      [ROOT_All] ##Links
 ##Links             DEBUG Opening
 ##Links             DEBUG    attributes# = 1
@@ -752,11 +771,13 @@ SimplePoolFile2...  DEBUG --->Reading Assoc:????/POOLCollectionTree(MagicNumber)
 SimplePoolFile2...  DEBUG ---->ClassID:????
 SimplePoolFile2...  DEBUG --->Reading Assoc:????/MetaData(EventStreamInfo_p3/Stream2) [20?]  (a , ffffffff)
 SimplePoolFile2...  DEBUG ---->ClassID:????
-SimplePoolFile2...  DEBUG --->Reading Assoc:????/MetaDataHdr(DataHeader) [20?]  (b , ffffffff)
+SimplePoolFile2...  DEBUG --->Reading Assoc:????/MetaData(xAOD::EventFormat_v1/EventFormatStream2) [20?]  (b , ffffffff)
+SimplePoolFile2...  DEBUG ---->ClassID:????
+SimplePoolFile2...  DEBUG --->Reading Assoc:????/MetaDataHdr(DataHeader) [20?]  (c , ffffffff)
 SimplePoolFile2...  DEBUG ---->ClassID:????
-SimplePoolFile2...  DEBUG --->Reading Assoc:????/MetaDataHdrForm(DataHeaderForm) [20?]  (c , ffffffff)
+SimplePoolFile2...  DEBUG --->Reading Assoc:????/MetaDataHdrForm(DataHeaderForm) [20?]  (d , ffffffff)
 SimplePoolFile2...  DEBUG ---->ClassID:????
-##Links             DEBUG No objects passing selection criteria... Container has 11 Entries in total.
+##Links             DEBUG No objects passing selection criteria... Container has 12 Entries in total.
 SimplePoolFile2...  DEBUG --> Access   DbContainer  READ      [ROOT_All] ##Params
 ##Params            DEBUG Opening
 ##Params            DEBUG    attributes# = 1
@@ -830,7 +851,7 @@ ReadData             INFO EventInfo event: 0 run: 1
 ReadData             INFO Get Smart data ptr 1
 ReadData             INFO Could not find ExampleTrackContainer/MyTracks
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 22622
+PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 23369
 PoolSvc              INFO Database (SimplePoolFile2.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #0, run #1 11 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -852,7 +873,7 @@ ReadData             INFO EventInfo event: 1 run: 1
 ReadData             INFO Get Smart data ptr 1
 ReadData             INFO Could not find ExampleTrackContainer/MyTracks
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 22622
+PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 23369
 PoolSvc              INFO Database (SimplePoolFile2.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #1, run #1 12 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -874,7 +895,7 @@ ReadData             INFO EventInfo event: 2 run: 1
 ReadData             INFO Get Smart data ptr 1
 ReadData             INFO Could not find ExampleTrackContainer/MyTracks
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 22622
+PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 23369
 PoolSvc              INFO Database (SimplePoolFile2.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #2, run #1 13 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -896,7 +917,7 @@ ReadData             INFO EventInfo event: 3 run: 1
 ReadData             INFO Get Smart data ptr 1
 ReadData             INFO Could not find ExampleTrackContainer/MyTracks
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 22622
+PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 23369
 PoolSvc              INFO Database (SimplePoolFile2.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #3, run #1 14 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -918,7 +939,7 @@ ReadData             INFO EventInfo event: 4 run: 1
 ReadData             INFO Get Smart data ptr 1
 ReadData             INFO Could not find ExampleTrackContainer/MyTracks
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 22622
+PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 23369
 PoolSvc              INFO Database (SimplePoolFile2.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #4, run #1 15 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -940,7 +961,7 @@ ReadData             INFO EventInfo event: 5 run: 1
 ReadData             INFO Get Smart data ptr 1
 ReadData             INFO Could not find ExampleTrackContainer/MyTracks
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 22622
+PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 23369
 PoolSvc              INFO Database (SimplePoolFile2.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #5, run #1 16 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -962,7 +983,7 @@ ReadData             INFO EventInfo event: 6 run: 1
 ReadData             INFO Get Smart data ptr 1
 ReadData             INFO Could not find ExampleTrackContainer/MyTracks
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 22622
+PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 23369
 PoolSvc              INFO Database (SimplePoolFile2.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #6, run #1 17 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -984,7 +1005,7 @@ ReadData             INFO EventInfo event: 7 run: 1
 ReadData             INFO Get Smart data ptr 1
 ReadData             INFO Could not find ExampleTrackContainer/MyTracks
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 22622
+PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 23369
 PoolSvc              INFO Database (SimplePoolFile2.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #7, run #1 18 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1006,7 +1027,7 @@ ReadData             INFO EventInfo event: 8 run: 1
 ReadData             INFO Get Smart data ptr 1
 ReadData             INFO Could not find ExampleTrackContainer/MyTracks
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 22622
+PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 23369
 PoolSvc              INFO Database (SimplePoolFile2.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #8, run #1 19 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1028,7 +1049,7 @@ ReadData             INFO EventInfo event: 9 run: 1
 ReadData             INFO Get Smart data ptr 1
 ReadData             INFO Could not find ExampleTrackContainer/MyTracks
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 22622
+PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 23369
 PoolSvc              INFO Database (SimplePoolFile2.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #9, run #1 20 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1050,7 +1071,7 @@ ReadData             INFO EventInfo event: 10 run: 1
 ReadData             INFO Get Smart data ptr 1
 ReadData             INFO Could not find ExampleTrackContainer/MyTracks
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 22622
+PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 23369
 PoolSvc              INFO Database (SimplePoolFile2.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #10, run #1 21 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1072,7 +1093,7 @@ ReadData             INFO EventInfo event: 11 run: 1
 ReadData             INFO Get Smart data ptr 1
 ReadData             INFO Could not find ExampleTrackContainer/MyTracks
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 22622
+PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 23369
 PoolSvc              INFO Database (SimplePoolFile2.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #11, run #1 22 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1094,7 +1115,7 @@ ReadData             INFO EventInfo event: 12 run: 1
 ReadData             INFO Get Smart data ptr 1
 ReadData             INFO Could not find ExampleTrackContainer/MyTracks
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 22622
+PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 23369
 PoolSvc              INFO Database (SimplePoolFile2.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #12, run #1 23 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1116,7 +1137,7 @@ ReadData             INFO EventInfo event: 13 run: 1
 ReadData             INFO Get Smart data ptr 1
 ReadData             INFO Could not find ExampleTrackContainer/MyTracks
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 22622
+PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 23369
 PoolSvc              INFO Database (SimplePoolFile2.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #13, run #1 24 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1138,7 +1159,7 @@ ReadData             INFO EventInfo event: 14 run: 1
 ReadData             INFO Get Smart data ptr 1
 ReadData             INFO Could not find ExampleTrackContainer/MyTracks
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 22622
+PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 23369
 PoolSvc              INFO Database (SimplePoolFile2.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #14, run #1 25 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1160,7 +1181,7 @@ ReadData             INFO EventInfo event: 15 run: 1
 ReadData             INFO Get Smart data ptr 1
 ReadData             INFO Could not find ExampleTrackContainer/MyTracks
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 22622
+PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 23369
 PoolSvc              INFO Database (SimplePoolFile2.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #15, run #1 26 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1182,7 +1203,7 @@ ReadData             INFO EventInfo event: 16 run: 1
 ReadData             INFO Get Smart data ptr 1
 ReadData             INFO Could not find ExampleTrackContainer/MyTracks
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 22622
+PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 23369
 PoolSvc              INFO Database (SimplePoolFile2.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #16, run #1 27 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1204,7 +1225,7 @@ ReadData             INFO EventInfo event: 17 run: 1
 ReadData             INFO Get Smart data ptr 1
 ReadData             INFO Could not find ExampleTrackContainer/MyTracks
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 22622
+PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 23369
 PoolSvc              INFO Database (SimplePoolFile2.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #17, run #1 28 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1226,7 +1247,7 @@ ReadData             INFO EventInfo event: 18 run: 1
 ReadData             INFO Get Smart data ptr 1
 ReadData             INFO Could not find ExampleTrackContainer/MyTracks
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 22622
+PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 23369
 PoolSvc              INFO Database (SimplePoolFile2.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #18, run #1 29 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1248,10 +1269,11 @@ ReadData             INFO EventInfo event: 19 run: 1
 ReadData             INFO Get Smart data ptr 1
 ReadData             INFO Could not find ExampleTrackContainer/MyTracks
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 22622
+PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 23369
 PoolSvc              INFO Database (SimplePoolFile2.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #19, run #1 30 events processed so far  <<<===
 MetaDataSvc         DEBUG handle() EndInputFile for FID:????
+MetaDataSvc         DEBUG retireMetadataSource: FID:????
 EventSelector        INFO Disconnecting input sourceID: ????
 Domain[ROOT_All]     INFO ->  Deaccess DbDatabase   READ      [ROOT_All] ????
 Domain[ROOT_All]     INFO >   Deaccess DbDomain     READ      [ROOT_All] 
@@ -1279,7 +1301,9 @@ SimplePoolFile4...  DEBUG --->Reading Shape[5 , ????]: [1 Column(s)]
 SimplePoolFile4...  DEBUG ---->[0]:unsigned int Typ:unsigned int [3] Size:0 Offset:0 #Elements:1
 SimplePoolFile4...  DEBUG --->Reading Shape[6 , ????]: [1 Column(s)]
 SimplePoolFile4...  DEBUG ---->[0]:EventStreamInfo_p3 Typ:EventStreamInfo_p3 [21] Size:0 Offset:0 #Elements:1
-##Shapes            DEBUG No objects passing selection criteria... Container has 7 Entries in total.
+SimplePoolFile4...  DEBUG --->Reading Shape[7 , ????]: [1 Column(s)]
+SimplePoolFile4...  DEBUG ---->[0]:xAOD::EventFormat_v1 Typ:xAOD::EventFormat_v1 [21] Size:0 Offset:0 #Elements:1
+##Shapes            DEBUG No objects passing selection criteria... Container has 8 Entries in total.
 SimplePoolFile4...  DEBUG --> Access   DbContainer  READ      [ROOT_All] ##Links
 ##Links             DEBUG Opening
 ##Links             DEBUG    attributes# = 1
@@ -1304,11 +1328,13 @@ SimplePoolFile4...  DEBUG --->Reading Assoc:????/POOLCollectionTree(MagicNumber)
 SimplePoolFile4...  DEBUG ---->ClassID:????
 SimplePoolFile4...  DEBUG --->Reading Assoc:????/MetaData(EventStreamInfo_p3/Stream1) [20?]  (b , ffffffff)
 SimplePoolFile4...  DEBUG ---->ClassID:????
-SimplePoolFile4...  DEBUG --->Reading Assoc:????/MetaDataHdr(DataHeader) [20?]  (c , ffffffff)
+SimplePoolFile4...  DEBUG --->Reading Assoc:????/MetaData(xAOD::EventFormat_v1/EventFormatStream1) [20?]  (c , ffffffff)
 SimplePoolFile4...  DEBUG ---->ClassID:????
-SimplePoolFile4...  DEBUG --->Reading Assoc:????/MetaDataHdrForm(DataHeaderForm) [20?]  (d , ffffffff)
+SimplePoolFile4...  DEBUG --->Reading Assoc:????/MetaDataHdr(DataHeader) [20?]  (d , ffffffff)
 SimplePoolFile4...  DEBUG ---->ClassID:????
-##Links             DEBUG No objects passing selection criteria... Container has 12 Entries in total.
+SimplePoolFile4...  DEBUG --->Reading Assoc:????/MetaDataHdrForm(DataHeaderForm) [20?]  (e , ffffffff)
+SimplePoolFile4...  DEBUG ---->ClassID:????
+##Links             DEBUG No objects passing selection criteria... Container has 13 Entries in total.
 SimplePoolFile4...  DEBUG --> Access   DbContainer  READ      [ROOT_All] ##Params
 ##Params            DEBUG Opening
 ##Params            DEBUG    attributes# = 1
@@ -1391,7 +1417,7 @@ ReadData             INFO Track pt = 74.8928 eta = 3.1676 phi = 2.6161 detector
 DataProxy         WARNING accessData:  IOA pointer not set
 ReadData          WARNING Could not follow ExampleTrackContainer/MyTracks ElementLinks to ExampleHitContainer/MyHits
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile4.root) attribute [BYTES_READ]: 25094
+PoolSvc              INFO Database (SimplePoolFile4.root) attribute [BYTES_READ]: 25851
 PoolSvc              INFO Database (SimplePoolFile4.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #0, run #1 31 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1417,7 +1443,7 @@ ReadData             INFO Track pt = 137.584 eta = -39.525 phi = 17.2679 detecto
 DataProxy         WARNING accessData:  IOA pointer not set
 ReadData          WARNING Could not follow ExampleTrackContainer/MyTracks ElementLinks to ExampleHitContainer/MyHits
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile4.root) attribute [BYTES_READ]: 25094
+PoolSvc              INFO Database (SimplePoolFile4.root) attribute [BYTES_READ]: 25851
 PoolSvc              INFO Database (SimplePoolFile4.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #1, run #1 32 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1443,7 +1469,7 @@ ReadData             INFO Track pt = 228.154 eta = -6.2704 phi = 31.9197 detecto
 DataProxy         WARNING accessData:  IOA pointer not set
 ReadData          WARNING Could not follow ExampleTrackContainer/MyTracks ElementLinks to ExampleHitContainer/MyHits
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile4.root) attribute [BYTES_READ]: 25094
+PoolSvc              INFO Database (SimplePoolFile4.root) attribute [BYTES_READ]: 25851
 PoolSvc              INFO Database (SimplePoolFile4.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #2, run #1 33 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1469,7 +1495,7 @@ ReadData             INFO Track pt = 324.306 eta = -15.8941 phi = 46.5715 detect
 DataProxy         WARNING accessData:  IOA pointer not set
 ReadData          WARNING Could not follow ExampleTrackContainer/MyTracks ElementLinks to ExampleHitContainer/MyHits
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile4.root) attribute [BYTES_READ]: 25094
+PoolSvc              INFO Database (SimplePoolFile4.root) attribute [BYTES_READ]: 25851
 PoolSvc              INFO Database (SimplePoolFile4.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #3, run #1 34 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1495,7 +1521,7 @@ ReadData             INFO Track pt = 422.255 eta = -13.279 phi = 61.2233 detecto
 DataProxy         WARNING accessData:  IOA pointer not set
 ReadData          WARNING Could not follow ExampleTrackContainer/MyTracks ElementLinks to ExampleHitContainer/MyHits
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile4.root) attribute [BYTES_READ]: 25094
+PoolSvc              INFO Database (SimplePoolFile4.root) attribute [BYTES_READ]: 25851
 PoolSvc              INFO Database (SimplePoolFile4.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #4, run #1 35 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1521,7 +1547,7 @@ ReadData             INFO Track pt = 520.987 eta = -12.3511 phi = 75.8751 detect
 DataProxy         WARNING accessData:  IOA pointer not set
 ReadData          WARNING Could not follow ExampleTrackContainer/MyTracks ElementLinks to ExampleHitContainer/MyHits
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile4.root) attribute [BYTES_READ]: 25094
+PoolSvc              INFO Database (SimplePoolFile4.root) attribute [BYTES_READ]: 25851
 PoolSvc              INFO Database (SimplePoolFile4.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #5, run #1 36 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1547,7 +1573,7 @@ ReadData             INFO Track pt = 620.127 eta = -11.8468 phi = 90.5269 detect
 DataProxy         WARNING accessData:  IOA pointer not set
 ReadData          WARNING Could not follow ExampleTrackContainer/MyTracks ElementLinks to ExampleHitContainer/MyHits
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile4.root) attribute [BYTES_READ]: 25094
+PoolSvc              INFO Database (SimplePoolFile4.root) attribute [BYTES_READ]: 25851
 PoolSvc              INFO Database (SimplePoolFile4.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #6, run #1 37 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1573,7 +1599,7 @@ ReadData             INFO Track pt = 719.507 eta = -11.5247 phi = 105.179 detect
 DataProxy         WARNING accessData:  IOA pointer not set
 ReadData          WARNING Could not follow ExampleTrackContainer/MyTracks ElementLinks to ExampleHitContainer/MyHits
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile4.root) attribute [BYTES_READ]: 25094
+PoolSvc              INFO Database (SimplePoolFile4.root) attribute [BYTES_READ]: 25851
 PoolSvc              INFO Database (SimplePoolFile4.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #7, run #1 38 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1599,7 +1625,7 @@ ReadData             INFO Track pt = 819.038 eta = -11.2998 phi = 119.831 detect
 DataProxy         WARNING accessData:  IOA pointer not set
 ReadData          WARNING Could not follow ExampleTrackContainer/MyTracks ElementLinks to ExampleHitContainer/MyHits
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile4.root) attribute [BYTES_READ]: 25094
+PoolSvc              INFO Database (SimplePoolFile4.root) attribute [BYTES_READ]: 25851
 PoolSvc              INFO Database (SimplePoolFile4.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #8, run #1 39 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1625,7 +1651,7 @@ ReadData             INFO Track pt = 918.671 eta = -11.1334 phi = 134.482 detect
 DataProxy         WARNING accessData:  IOA pointer not set
 ReadData          WARNING Could not follow ExampleTrackContainer/MyTracks ElementLinks to ExampleHitContainer/MyHits
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile4.root) attribute [BYTES_READ]: 25094
+PoolSvc              INFO Database (SimplePoolFile4.root) attribute [BYTES_READ]: 25851
 PoolSvc              INFO Database (SimplePoolFile4.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #9, run #1 40 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1651,7 +1677,7 @@ ReadData             INFO Track pt = 1018.38 eta = -11.0052 phi = 149.134 detect
 DataProxy         WARNING accessData:  IOA pointer not set
 ReadData          WARNING Could not follow ExampleTrackContainer/MyTracks ElementLinks to ExampleHitContainer/MyHits
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile4.root) attribute [BYTES_READ]: 25094
+PoolSvc              INFO Database (SimplePoolFile4.root) attribute [BYTES_READ]: 25851
 PoolSvc              INFO Database (SimplePoolFile4.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #10, run #1 41 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1677,7 +1703,7 @@ ReadData             INFO Track pt = 1118.13 eta = -10.9031 phi = 163.786 detect
 DataProxy         WARNING accessData:  IOA pointer not set
 ReadData          WARNING Could not follow ExampleTrackContainer/MyTracks ElementLinks to ExampleHitContainer/MyHits
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile4.root) attribute [BYTES_READ]: 25094
+PoolSvc              INFO Database (SimplePoolFile4.root) attribute [BYTES_READ]: 25851
 PoolSvc              INFO Database (SimplePoolFile4.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #11, run #1 42 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1703,7 +1729,7 @@ ReadData             INFO Track pt = 1217.93 eta = -10.82 phi = 178.438 detector
 DataProxy         WARNING accessData:  IOA pointer not set
 ReadData          WARNING Could not follow ExampleTrackContainer/MyTracks ElementLinks to ExampleHitContainer/MyHits
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile4.root) attribute [BYTES_READ]: 25094
+PoolSvc              INFO Database (SimplePoolFile4.root) attribute [BYTES_READ]: 25851
 PoolSvc              INFO Database (SimplePoolFile4.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #12, run #1 43 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1729,7 +1755,7 @@ ReadData             INFO Track pt = 1317.76 eta = -10.751 phi = 193.09 detector
 DataProxy         WARNING accessData:  IOA pointer not set
 ReadData          WARNING Could not follow ExampleTrackContainer/MyTracks ElementLinks to ExampleHitContainer/MyHits
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile4.root) attribute [BYTES_READ]: 25094
+PoolSvc              INFO Database (SimplePoolFile4.root) attribute [BYTES_READ]: 25851
 PoolSvc              INFO Database (SimplePoolFile4.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #13, run #1 44 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1755,7 +1781,7 @@ ReadData             INFO Track pt = 1417.61 eta = -10.6927 phi = 207.741 detect
 DataProxy         WARNING accessData:  IOA pointer not set
 ReadData          WARNING Could not follow ExampleTrackContainer/MyTracks ElementLinks to ExampleHitContainer/MyHits
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile4.root) attribute [BYTES_READ]: 25094
+PoolSvc              INFO Database (SimplePoolFile4.root) attribute [BYTES_READ]: 25851
 PoolSvc              INFO Database (SimplePoolFile4.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #14, run #1 45 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1781,7 +1807,7 @@ ReadData             INFO Track pt = 1517.49 eta = -10.6429 phi = 222.393 detect
 DataProxy         WARNING accessData:  IOA pointer not set
 ReadData          WARNING Could not follow ExampleTrackContainer/MyTracks ElementLinks to ExampleHitContainer/MyHits
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile4.root) attribute [BYTES_READ]: 25094
+PoolSvc              INFO Database (SimplePoolFile4.root) attribute [BYTES_READ]: 25851
 PoolSvc              INFO Database (SimplePoolFile4.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #15, run #1 46 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1807,7 +1833,7 @@ ReadData             INFO Track pt = 1617.37 eta = -10.5997 phi = 237.045 detect
 DataProxy         WARNING accessData:  IOA pointer not set
 ReadData          WARNING Could not follow ExampleTrackContainer/MyTracks ElementLinks to ExampleHitContainer/MyHits
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile4.root) attribute [BYTES_READ]: 25094
+PoolSvc              INFO Database (SimplePoolFile4.root) attribute [BYTES_READ]: 25851
 PoolSvc              INFO Database (SimplePoolFile4.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #16, run #1 47 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1833,7 +1859,7 @@ ReadData             INFO Track pt = 1717.27 eta = -10.562 phi = 251.697 detecto
 DataProxy         WARNING accessData:  IOA pointer not set
 ReadData          WARNING Could not follow ExampleTrackContainer/MyTracks ElementLinks to ExampleHitContainer/MyHits
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile4.root) attribute [BYTES_READ]: 25094
+PoolSvc              INFO Database (SimplePoolFile4.root) attribute [BYTES_READ]: 25851
 PoolSvc              INFO Database (SimplePoolFile4.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #17, run #1 48 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1859,7 +1885,7 @@ ReadData             INFO Track pt = 1817.19 eta = -10.5288 phi = 266.349 detect
 DataProxy         WARNING accessData:  IOA pointer not set
 ReadData          WARNING Could not follow ExampleTrackContainer/MyTracks ElementLinks to ExampleHitContainer/MyHits
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile4.root) attribute [BYTES_READ]: 25094
+PoolSvc              INFO Database (SimplePoolFile4.root) attribute [BYTES_READ]: 25851
 PoolSvc              INFO Database (SimplePoolFile4.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #18, run #1 49 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1885,10 +1911,11 @@ ReadData             INFO Track pt = 1917.11 eta = -10.4993 phi = 281 detector =
 DataProxy         WARNING accessData:  IOA pointer not set
 ReadData          WARNING Could not follow ExampleTrackContainer/MyTracks ElementLinks to ExampleHitContainer/MyHits
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile4.root) attribute [BYTES_READ]: 25094
+PoolSvc              INFO Database (SimplePoolFile4.root) attribute [BYTES_READ]: 25851
 PoolSvc              INFO Database (SimplePoolFile4.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #19, run #1 50 events processed so far  <<<===
 MetaDataSvc         DEBUG handle() EndInputFile for FID:????
+MetaDataSvc         DEBUG retireMetadataSource: FID:????
 EventSelector        INFO Disconnecting input sourceID: ????
 Domain[ROOT_All]     INFO ->  Deaccess DbDatabase   READ      [ROOT_All] ????
 Domain[ROOT_All]     INFO >   Deaccess DbDomain     READ      [ROOT_All] 
@@ -1903,9 +1930,9 @@ ToolSvc              INFO Removing all tools created by ToolSvc
 *****Chrono*****     INFO ****************************************************************************************************
 *****Chrono*****     INFO  The Final CPU consumption ( Chrono ) Table (ordered)
 *****Chrono*****     INFO ****************************************************************************************************
-cObjR_ALL            INFO Time User   : Tot=   10 [ms] Ave/Min/Max=0.0685(+-0.825)/    0/   10 [ms] #=146
-cObj_ALL             INFO Time User   : Tot=   20 [ms] Ave/Min/Max=0.144(+- 1.19)/    0/   10 [ms] #=139
-ChronoStatSvc        INFO Time User   : Tot= 0.53  [s]                                             #=  1
+cObjR_ALL            INFO Time User   : Tot=   10 [ms] Ave/Min/Max=  0.0685(+-   0.825)/       0/      10 [ms] #=146
+cObj_ALL             INFO Time User   : Tot=   20 [ms] Ave/Min/Max=   0.144(+-    1.19)/       0/      10 [ms] #=139
+ChronoStatSvc        INFO Time User   : Tot=  190 [ms]  #=  1
 *****Chrono*****     INFO ****************************************************************************************************
 ChronoStatSvc.f...   INFO  Service finalized successfully 
 ApplicationMgr       INFO Application Manager Finalized successfully
diff --git a/Database/AthenaPOOL/AthenaPoolExample/AthenaPoolExampleAlgorithms/share/AthenaPoolExample_ReadConcat.ref b/Database/AthenaPOOL/AthenaPoolExample/AthenaPoolExampleAlgorithms/share/AthenaPoolExample_ReadConcat.ref
index 31e2e179bfa35f205980d18ab9a0153535712e23..aba80404250401263a581414a85c1b7485649475 100644
--- a/Database/AthenaPOOL/AthenaPoolExample/AthenaPoolExampleAlgorithms/share/AthenaPoolExample_ReadConcat.ref
+++ b/Database/AthenaPOOL/AthenaPoolExample/AthenaPoolExampleAlgorithms/share/AthenaPoolExample_ReadConcat.ref
@@ -1,41 +1,37 @@
-Sat Nov  2 01:41:04 CET 2019
+Tue Oct  6 16:04:30 CEST 20?0
 Preloading tcmalloc_minimal.so
 Athena               INFO including file "AthenaCommon/Preparation.py"
 Athena               INFO including file "AthenaCommon/Atlas.UnixStandardJob.py"
 Athena               INFO executing ROOT6Setup
 Athena               INFO including file "AthenaCommon/Execution.py"
 Athena               INFO including file "AthenaPoolExampleAlgorithms/AthenaPoolExample_ReadJobOptions.py"
-Py:ConfigurableDb    INFO Read module info for 5598 configurables from 9 genConfDb files
+Py:ConfigurableDb    INFO Read module info for 5569 configurables from 4 genConfDb files
 Py:ConfigurableDb    INFO No duplicates have been found: that's good !
 Athena               INFO including file "AthenaCommon/runbatch.py"
-ApplicationMgr       INFO Updating Gaudi::PluginService::SetDebug(level) to level= 'PluginDebugLevel':0
-ApplicationMgr       INFO Updating Gaudi::PluginService::SetDebug(level) to level= 'PluginDebugLevel':0
 ApplicationMgr    SUCCESS 
 ====================================================================================================================================
-                                                   Welcome to ApplicationMgr (GaudiCoreSvc v32r2)
-                                          running on aibuild028.cern.ch on Sat Nov  2 01:41:13 2019
+                                                   Welcome to ApplicationMgr (GaudiCoreSvc v34r0)
+                                          running on 58dd451bc47f on Tue Oct  6 16:04:35 20?0
 ====================================================================================================================================
 ApplicationMgr       INFO Application Manager Configured successfully
-ApplicationMgr       INFO Updating Gaudi::PluginService::SetDebug(level) to level= 'PluginDebugLevel':0
-StatusCodeSvc        INFO initialize
 AthDictLoaderSvc     INFO in initialize...
 AthDictLoaderSvc     INFO acquired Dso-registry
-ClassIDSvc           INFO  getRegistryEntries: read 3286 CLIDRegistry entries for module ALL
+ClassIDSvc           INFO  getRegistryEntries: read 3308 CLIDRegistry entries for module ALL
 AthenaEventLoopMgr   INFO Initializing AthenaEventLoopMgr - package version AthenaServices-00-00-00
-ClassIDSvc           INFO  getRegistryEntries: read 846 CLIDRegistry entries for module ALL
+ClassIDSvc           INFO  getRegistryEntries: read 861 CLIDRegistry entries for module ALL
 ReadData            DEBUG Property update for OutputLevel : new value = 2
 ReadData             INFO in initialize()
 MetaDataSvc         DEBUG Property update for OutputLevel : new value = 2
 MetaDataSvc          INFO Initializing MetaDataSvc - package version AthenaServices-00-00-00
 MetaDataSvc         DEBUG Service base class initialized successfully
-AthenaPoolCnvSvc     INFO Initializing AthenaPoolCnvSvc - package version AthenaPoolCnvSvc-00-00-00
 PoolSvc             DEBUG Property update for OutputLevel : new value = 2
 PoolSvc             DEBUG Service base class initialized successfully
 PoolSvc              INFO Set connectionsvc retry/timeout/IDLE timeout to  'ConnectionRetrialPeriod':300/ 'ConnectionRetrialTimeOut':3600/ 'ConnectionTimeOut':5 seconds with connection cleanup disabled
 PoolSvc              INFO Frontier compression level set to 5
-DBReplicaSvc         INFO Frontier server at (serverurl=http://atlasfrontier-local.cern.ch:8000/atlr)(serverurl=http://atlasfrontier-ai.cern.ch:8000/atlr)(serverurl=http://lcgft-atlas.gridpp.rl.ac.uk:3128/frontierATLAS)(serverurl=http://ccfrontier.in2p3.fr:23128/ccin2p3-AtlasFrontier)(proxyurl=http://ca-proxy.cern.ch:3128)(proxyurl=http://ca-proxy-meyrin.cern.ch:3128)(proxyurl=http://ca-proxy-wigner.cern.ch:3128)(proxyurl=http://atlasbpfrontier.cern.ch:3127)(proxyurl=http://atlasbpfrontier.fnal.gov:3127) will be considered for COOL data
-DBReplicaSvc         INFO Read replica configuration from /cvmfs/atlas-nightlies.cern.ch/repo/sw/master/2019-10-31T2131/Athena/22.0.7/InstallArea/x86_64-centos7-gcc8-opt/share/dbreplica.config
-DBReplicaSvc         INFO Total of 10 servers found for host aibuild028.cern.ch [ATLF ATLAS_COOLPROD atlas_dd ATLAS_CONFIG INT8R INTR ATONR_COOL ATONR_CONF DEVDB11 ATLF ]
+DBReplicaSvc         INFO Frontier server at (serverurl=http://atlasfrontier-ai.cern.ch:8000/atlr)(serverurl=http://frontier-atlas.lcg.triumf.ca:3128/ATLAS_frontier)(serverurl=http://ccfrontier.in2p3.fr:23128/ccin2p3-AtlasFrontier)(proxyurl=http://atlasbpfrontier.cern.ch:3127)(proxyurl=http://atlasbpfrontier.fnal.gov:3127) will be considered for COOL data
+DBReplicaSvc         INFO Read replica configuration from /cvmfs/atlas-nightlies.cern.ch/repo/sw/master_Athena_x86_64-centos7-gcc8-opt/20?0-10-05T2101/Athena/22.0.19/InstallArea/x86_64-centos7-gcc8-opt/share/dbreplica.config
+DBReplicaSvc         INFO No specific match for domain found - use default fallback
+DBReplicaSvc         INFO Total of 2 servers found for host 58dd451bc47f [ATLF atlas_dd ]
 PoolSvc              INFO Successfully setup replica sorting algorithm
 PoolSvc             DEBUG OutputLevel is 2
 PoolSvc              INFO Setting up APR FileCatalog and Streams
@@ -60,10 +56,12 @@ EmptyPoolFile.root  DEBUG --> Access   DbContainer  READ      [ROOT_All] ##Shape
 EmptyPoolFile.root  DEBUG --->Reading Shape[0 , ????]: [1 Column(s)]
 EmptyPoolFile.root  DEBUG ---->[0]:EventStreamInfo_p3 Typ:EventStreamInfo_p3 [21] Size:0 Offset:0 #Elements:1
 EmptyPoolFile.root  DEBUG --->Reading Shape[1 , ????]: [1 Column(s)]
-EmptyPoolFile.root  DEBUG ---->[0]:DataHeader_p6 Typ:DataHeader_p6 [21] Size:0 Offset:0 #Elements:1
+EmptyPoolFile.root  DEBUG ---->[0]:xAOD::EventFormat_v1 Typ:xAOD::EventFormat_v1 [21] Size:0 Offset:0 #Elements:1
 EmptyPoolFile.root  DEBUG --->Reading Shape[2 , ????]: [1 Column(s)]
+EmptyPoolFile.root  DEBUG ---->[0]:DataHeader_p6 Typ:DataHeader_p6 [21] Size:0 Offset:0 #Elements:1
+EmptyPoolFile.root  DEBUG --->Reading Shape[3 , ????]: [1 Column(s)]
 EmptyPoolFile.root  DEBUG ---->[0]:DataHeaderForm_p6 Typ:DataHeaderForm_p6 [21] Size:0 Offset:0 #Elements:1
-##Shapes            DEBUG No objects passing selection criteria... Container has 3 Entries in total.
+##Shapes            DEBUG No objects passing selection criteria... Container has 4 Entries in total.
 EmptyPoolFile.root  DEBUG --> Access   DbContainer  READ      [ROOT_All] ##Links
 ##Links             DEBUG Opening
 ##Links             DEBUG    attributes# = 1
@@ -72,11 +70,13 @@ EmptyPoolFile.root  DEBUG --->Reading Assoc:????/##Params [200]  (2 , ffffffff)
 EmptyPoolFile.root  DEBUG ---->ClassID:????
 EmptyPoolFile.root  DEBUG --->Reading Assoc:????/MetaData(EventStreamInfo_p3/Stream3) [20?]  (3 , ffffffff)
 EmptyPoolFile.root  DEBUG ---->ClassID:????
-EmptyPoolFile.root  DEBUG --->Reading Assoc:????/MetaDataHdr(DataHeader) [20?]  (4 , ffffffff)
+EmptyPoolFile.root  DEBUG --->Reading Assoc:????/MetaData(xAOD::EventFormat_v1/EventFormatStream3) [20?]  (4 , ffffffff)
+EmptyPoolFile.root  DEBUG ---->ClassID:????
+EmptyPoolFile.root  DEBUG --->Reading Assoc:????/MetaDataHdr(DataHeader) [20?]  (5 , ffffffff)
 EmptyPoolFile.root  DEBUG ---->ClassID:????
-EmptyPoolFile.root  DEBUG --->Reading Assoc:????/MetaDataHdrForm(DataHeaderForm) [20?]  (5 , ffffffff)
+EmptyPoolFile.root  DEBUG --->Reading Assoc:????/MetaDataHdrForm(DataHeaderForm) [20?]  (6 , ffffffff)
 EmptyPoolFile.root  DEBUG ---->ClassID:????
-##Links             DEBUG No objects passing selection criteria... Container has 4 Entries in total.
+##Links             DEBUG No objects passing selection criteria... Container has 5 Entries in total.
 EmptyPoolFile.root  DEBUG --> Access   DbContainer  READ      [ROOT_All] ##Params
 ##Params            DEBUG Opening
 ##Params            DEBUG    attributes# = 1
@@ -122,7 +122,9 @@ SimplePoolFile1...  DEBUG --->Reading Shape[8 , ????]: [1 Column(s)]
 SimplePoolFile1...  DEBUG ---->[0]:float Typ:float [10] Size:0 Offset:0 #Elements:1
 SimplePoolFile1...  DEBUG --->Reading Shape[9 , ????]: [1 Column(s)]
 SimplePoolFile1...  DEBUG ---->[0]:EventStreamInfo_p3 Typ:EventStreamInfo_p3 [21] Size:0 Offset:0 #Elements:1
-##Shapes            DEBUG No objects passing selection criteria... Container has 10 Entries in total.
+SimplePoolFile1...  DEBUG --->Reading Shape[10 , ????]: [1 Column(s)]
+SimplePoolFile1...  DEBUG ---->[0]:xAOD::EventFormat_v1 Typ:xAOD::EventFormat_v1 [21] Size:0 Offset:0 #Elements:1
+##Shapes            DEBUG No objects passing selection criteria... Container has 11 Entries in total.
 SimplePoolFile1...  DEBUG --> Access   DbContainer  READ      [ROOT_All] ##Links
 ##Links             DEBUG Opening
 ##Links             DEBUG    attributes# = 1
@@ -165,11 +167,13 @@ SimplePoolFile1...  DEBUG --->Reading Assoc:????/POOLCollectionTree(EventWeight)
 SimplePoolFile1...  DEBUG ---->ClassID:????
 SimplePoolFile1...  DEBUG --->Reading Assoc:????/MetaData(EventStreamInfo_p3/Stream1) [20?]  (14 , ffffffff)
 SimplePoolFile1...  DEBUG ---->ClassID:????
-SimplePoolFile1...  DEBUG --->Reading Assoc:????/MetaDataHdr(DataHeader) [20?]  (15 , ffffffff)
+SimplePoolFile1...  DEBUG --->Reading Assoc:????/MetaData(xAOD::EventFormat_v1/EventFormatStream1) [20?]  (15 , ffffffff)
 SimplePoolFile1...  DEBUG ---->ClassID:????
-SimplePoolFile1...  DEBUG --->Reading Assoc:????/MetaDataHdrForm(DataHeaderForm) [20?]  (16 , ffffffff)
+SimplePoolFile1...  DEBUG --->Reading Assoc:????/MetaDataHdr(DataHeader) [20?]  (16 , ffffffff)
 SimplePoolFile1...  DEBUG ---->ClassID:????
-##Links             DEBUG No objects passing selection criteria... Container has 21 Entries in total.
+SimplePoolFile1...  DEBUG --->Reading Assoc:????/MetaDataHdrForm(DataHeaderForm) [20?]  (17 , ffffffff)
+SimplePoolFile1...  DEBUG ---->ClassID:????
+##Links             DEBUG No objects passing selection criteria... Container has 22 Entries in total.
 SimplePoolFile1...  DEBUG --> Access   DbContainer  READ      [ROOT_All] ##Params
 ##Params            DEBUG Opening
 ##Params            DEBUG    attributes# = 1
@@ -184,7 +188,7 @@ MetaDataHdr(Dat...  DEBUG Opening
 MetaDataHdr(Dat...  DEBUG    attributes# = 1
 MetaDataHdr(Dat...  DEBUG Branch container 'DataHeader'
 MetaDataHdr(Dat...  DEBUG Opened container MetaDataHdr(DataHeader) of type ROOT_Tree
-ClassIDSvc           INFO  getRegistryEntries: read 2053 CLIDRegistry entries for module ALL
+ClassIDSvc           INFO  getRegistryEntries: read 1666 CLIDRegistry entries for module ALL
 EventPersistenc...   INFO Added successfully Conversion service:AthenaPoolCnvSvc
 SimplePoolFile1...  DEBUG --> Access   DbContainer  READ      [ROOT_Tree] MetaDataHdrForm(DataHeaderForm)
 MetaDataHdrForm...  DEBUG Opening
@@ -193,6 +197,7 @@ MetaDataHdrForm...  DEBUG Branch container 'DataHeaderForm'
 MetaDataHdrForm...  DEBUG Opened container MetaDataHdrForm(DataHeaderForm) of type ROOT_Tree
 MetaDataSvc         DEBUG Loaded input meta data store proxies
 ClassIDSvc           INFO  getRegistryEntries: read 2 CLIDRegistry entries for module ALL
+OutputStreamSeq...   INFO Initializing OutputStreamSequencerSvc - package version AthenaServices-00-00-00
 AthenaPoolAddre...  DEBUG Property update for OutputLevel : new value = 2
 AthenaPoolAddre...  DEBUG Service base class initialized successfully
 ReadData            DEBUG input handles: 2
@@ -200,7 +205,6 @@ ReadData            DEBUG output handles: 0
 ReadData            DEBUG Data Deps for ReadData
   + INPUT   ( 'ExampleHitContainer' , 'StoreGateSvc+MyHits' ) 
   + INPUT   ( 'ExampleTrackContainer' , 'StoreGateSvc+MyTracks' ) 
-HistogramPersis...WARNING Histograms saving not required.
 AthenaEventLoopMgr   INFO Setup EventSelector service EventSelector
 ApplicationMgr       INFO Application Manager Initialized successfully
 EventSelector       DEBUG Try item: "EmptyPoolFile.root" from the collection list.
@@ -214,10 +218,12 @@ EmptyPoolFile.root  DEBUG --> Access   DbContainer  READ      [ROOT_All] ##Shape
 EmptyPoolFile.root  DEBUG --->Reading Shape[0 , ????]: [1 Column(s)]
 EmptyPoolFile.root  DEBUG ---->[0]:EventStreamInfo_p3 Typ:EventStreamInfo_p3 [21] Size:0 Offset:0 #Elements:1
 EmptyPoolFile.root  DEBUG --->Reading Shape[1 , ????]: [1 Column(s)]
-EmptyPoolFile.root  DEBUG ---->[0]:DataHeader_p6 Typ:DataHeader_p6 [21] Size:0 Offset:0 #Elements:1
+EmptyPoolFile.root  DEBUG ---->[0]:xAOD::EventFormat_v1 Typ:xAOD::EventFormat_v1 [21] Size:0 Offset:0 #Elements:1
 EmptyPoolFile.root  DEBUG --->Reading Shape[2 , ????]: [1 Column(s)]
+EmptyPoolFile.root  DEBUG ---->[0]:DataHeader_p6 Typ:DataHeader_p6 [21] Size:0 Offset:0 #Elements:1
+EmptyPoolFile.root  DEBUG --->Reading Shape[3 , ????]: [1 Column(s)]
 EmptyPoolFile.root  DEBUG ---->[0]:DataHeaderForm_p6 Typ:DataHeaderForm_p6 [21] Size:0 Offset:0 #Elements:1
-##Shapes            DEBUG No objects passing selection criteria... Container has 3 Entries in total.
+##Shapes            DEBUG No objects passing selection criteria... Container has 4 Entries in total.
 EmptyPoolFile.root  DEBUG --> Access   DbContainer  READ      [ROOT_All] ##Links
 ##Links             DEBUG Opening
 ##Links             DEBUG    attributes# = 1
@@ -226,11 +232,13 @@ EmptyPoolFile.root  DEBUG --->Reading Assoc:????/##Params [200]  (2 , ffffffff)
 EmptyPoolFile.root  DEBUG ---->ClassID:????
 EmptyPoolFile.root  DEBUG --->Reading Assoc:????/MetaData(EventStreamInfo_p3/Stream3) [20?]  (3 , ffffffff)
 EmptyPoolFile.root  DEBUG ---->ClassID:????
-EmptyPoolFile.root  DEBUG --->Reading Assoc:????/MetaDataHdr(DataHeader) [20?]  (4 , ffffffff)
+EmptyPoolFile.root  DEBUG --->Reading Assoc:????/MetaData(xAOD::EventFormat_v1/EventFormatStream3) [20?]  (4 , ffffffff)
+EmptyPoolFile.root  DEBUG ---->ClassID:????
+EmptyPoolFile.root  DEBUG --->Reading Assoc:????/MetaDataHdr(DataHeader) [20?]  (5 , ffffffff)
 EmptyPoolFile.root  DEBUG ---->ClassID:????
-EmptyPoolFile.root  DEBUG --->Reading Assoc:????/MetaDataHdrForm(DataHeaderForm) [20?]  (5 , ffffffff)
+EmptyPoolFile.root  DEBUG --->Reading Assoc:????/MetaDataHdrForm(DataHeaderForm) [20?]  (6 , ffffffff)
 EmptyPoolFile.root  DEBUG ---->ClassID:????
-##Links             DEBUG No objects passing selection criteria... Container has 4 Entries in total.
+##Links             DEBUG No objects passing selection criteria... Container has 5 Entries in total.
 EmptyPoolFile.root  DEBUG --> Access   DbContainer  READ      [ROOT_All] ##Params
 ##Params            DEBUG Opening
 ##Params            DEBUG    attributes# = 1
@@ -258,6 +266,7 @@ MetaDataHdrForm...  DEBUG Opened container MetaDataHdrForm(DataHeaderForm) of ty
 MetaDataSvc         DEBUG Loaded input meta data store proxies
 MetaDataSvc         DEBUG  calling beginInputFile for ToolSvc.IOVDbMetaDataTool
 MetaDataSvc         DEBUG handle() EndInputFile for eventless EmptyPoolFile.root
+MetaDataSvc         DEBUG retireMetadataSource: eventless EmptyPoolFile.root
 Domain[ROOT_All]     INFO ->  Deaccess DbDatabase   READ      [ROOT_All] ????
 EventSelector       DEBUG Try item: "SimplePoolFile1.root" from the collection list.
 ApplicationMgr       INFO Application Manager Started successfully
@@ -338,14 +347,14 @@ ReadData             INFO Hit x = 1020.49 y = 63.5816 z = -951.864 detector = Du
 ReadData             INFO Hit x = 1023.7 y = 57.9027 z = -953.684 detector = DummyHitDetector
 ReadData             INFO Hit x = 1026.91 y = 52.2238 z = -955.073 detector = DummyHitDetector
 ReadData             INFO Hit x = 1030.12 y = 46.5449 z = -956.169 detector = DummyHitDetector
-PoolSvc              INFO Database (SimplePoolFile1.root) attribute [BYTES_READ]: 26012
+PoolSvc              INFO Database (SimplePoolFile1.root) attribute [BYTES_READ]: 27679
 PoolSvc              INFO Database (SimplePoolFile1.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #10, run #1 1 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
 EventSelector       DEBUG AttributeList size 12
 EventSelector       DEBUG record AthenaAttribute, name = Token = [DB=????][CNT=POOLContainer(DataHeader)][CLID=????][TECH=0000020?][OID=00000005-0000000B].
 EventSelector       DEBUG record AthenaAttribute, name = eventRef = [DB=????][CNT=POOLContainer(DataHeader)][CLID=????][TECH=0000020?][OID=00000005-0000000B].
-ClassIDSvc           INFO  getRegistryEntries: read 27 CLIDRegistry entries for module ALL
+ClassIDSvc           INFO  getRegistryEntries: read 21 CLIDRegistry entries for module ALL
 EventSelector       DEBUG found AthenaAttribute, name = eventRef = [DB=????][CNT=POOLContainer(DataHeader)][CLID=????][TECH=0000020?][OID=00000005-0000000B]
 AthenaPoolAddre...  DEBUG The current Event contains: 3 objects
 AthenaPoolAddre...  DEBUG loadAddresses: DataObject address, clid = 2101, name = McEventInfo
@@ -372,7 +381,7 @@ ReadData             INFO Hit x = 1120.49 y = 63.5816 z = -1051.86 detector = Du
 ReadData             INFO Hit x = 1123.7 y = 57.9027 z = -1053.68 detector = DummyHitDetector
 ReadData             INFO Hit x = 1126.91 y = 52.2238 z = -1055.07 detector = DummyHitDetector
 ReadData             INFO Hit x = 1130.12 y = 46.5449 z = -1056.17 detector = DummyHitDetector
-PoolSvc              INFO Database (SimplePoolFile1.root) attribute [BYTES_READ]: 26012
+PoolSvc              INFO Database (SimplePoolFile1.root) attribute [BYTES_READ]: 27679
 PoolSvc              INFO Database (SimplePoolFile1.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #11, run #1 2 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -405,7 +414,7 @@ ReadData             INFO Hit x = 1220.49 y = 63.5816 z = -1151.86 detector = Du
 ReadData             INFO Hit x = 1223.7 y = 57.9027 z = -1153.68 detector = DummyHitDetector
 ReadData             INFO Hit x = 1226.91 y = 52.2238 z = -1155.07 detector = DummyHitDetector
 ReadData             INFO Hit x = 1230.12 y = 46.5449 z = -1156.17 detector = DummyHitDetector
-PoolSvc              INFO Database (SimplePoolFile1.root) attribute [BYTES_READ]: 26012
+PoolSvc              INFO Database (SimplePoolFile1.root) attribute [BYTES_READ]: 27679
 PoolSvc              INFO Database (SimplePoolFile1.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #12, run #1 3 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -438,7 +447,7 @@ ReadData             INFO Hit x = 1320.49 y = 63.5816 z = -1251.86 detector = Du
 ReadData             INFO Hit x = 1323.7 y = 57.9027 z = -1253.68 detector = DummyHitDetector
 ReadData             INFO Hit x = 1326.91 y = 52.2238 z = -1255.07 detector = DummyHitDetector
 ReadData             INFO Hit x = 1330.12 y = 46.5449 z = -1256.17 detector = DummyHitDetector
-PoolSvc              INFO Database (SimplePoolFile1.root) attribute [BYTES_READ]: 26012
+PoolSvc              INFO Database (SimplePoolFile1.root) attribute [BYTES_READ]: 27679
 PoolSvc              INFO Database (SimplePoolFile1.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #13, run #1 4 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -471,7 +480,7 @@ ReadData             INFO Hit x = 1420.49 y = 63.5816 z = -1351.86 detector = Du
 ReadData             INFO Hit x = 1423.7 y = 57.9027 z = -1353.68 detector = DummyHitDetector
 ReadData             INFO Hit x = 1426.91 y = 52.2238 z = -1355.07 detector = DummyHitDetector
 ReadData             INFO Hit x = 1430.12 y = 46.5449 z = -1356.17 detector = DummyHitDetector
-PoolSvc              INFO Database (SimplePoolFile1.root) attribute [BYTES_READ]: 26012
+PoolSvc              INFO Database (SimplePoolFile1.root) attribute [BYTES_READ]: 27679
 PoolSvc              INFO Database (SimplePoolFile1.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #14, run #1 5 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -504,7 +513,7 @@ ReadData             INFO Hit x = 1520.49 y = 63.5816 z = -1451.86 detector = Du
 ReadData             INFO Hit x = 1523.7 y = 57.9027 z = -1453.68 detector = DummyHitDetector
 ReadData             INFO Hit x = 1526.91 y = 52.2238 z = -1455.07 detector = DummyHitDetector
 ReadData             INFO Hit x = 1530.12 y = 46.5449 z = -1456.17 detector = DummyHitDetector
-PoolSvc              INFO Database (SimplePoolFile1.root) attribute [BYTES_READ]: 26012
+PoolSvc              INFO Database (SimplePoolFile1.root) attribute [BYTES_READ]: 27679
 PoolSvc              INFO Database (SimplePoolFile1.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #15, run #1 6 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -537,7 +546,7 @@ ReadData             INFO Hit x = 1620.49 y = 63.5816 z = -1551.86 detector = Du
 ReadData             INFO Hit x = 1623.7 y = 57.9027 z = -1553.68 detector = DummyHitDetector
 ReadData             INFO Hit x = 1626.91 y = 52.2238 z = -1555.07 detector = DummyHitDetector
 ReadData             INFO Hit x = 1630.12 y = 46.5449 z = -1556.17 detector = DummyHitDetector
-PoolSvc              INFO Database (SimplePoolFile1.root) attribute [BYTES_READ]: 26012
+PoolSvc              INFO Database (SimplePoolFile1.root) attribute [BYTES_READ]: 27679
 PoolSvc              INFO Database (SimplePoolFile1.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #16, run #1 7 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -570,7 +579,7 @@ ReadData             INFO Hit x = 1720.49 y = 63.5816 z = -1651.86 detector = Du
 ReadData             INFO Hit x = 1723.7 y = 57.9027 z = -1653.68 detector = DummyHitDetector
 ReadData             INFO Hit x = 1726.91 y = 52.2238 z = -1655.07 detector = DummyHitDetector
 ReadData             INFO Hit x = 1730.12 y = 46.5449 z = -1656.17 detector = DummyHitDetector
-PoolSvc              INFO Database (SimplePoolFile1.root) attribute [BYTES_READ]: 26012
+PoolSvc              INFO Database (SimplePoolFile1.root) attribute [BYTES_READ]: 27679
 PoolSvc              INFO Database (SimplePoolFile1.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #17, run #1 8 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -603,7 +612,7 @@ ReadData             INFO Hit x = 1820.49 y = 63.5816 z = -1751.86 detector = Du
 ReadData             INFO Hit x = 1823.7 y = 57.9027 z = -1753.68 detector = DummyHitDetector
 ReadData             INFO Hit x = 1826.91 y = 52.2238 z = -1755.07 detector = DummyHitDetector
 ReadData             INFO Hit x = 1830.12 y = 46.5449 z = -1756.17 detector = DummyHitDetector
-PoolSvc              INFO Database (SimplePoolFile1.root) attribute [BYTES_READ]: 26012
+PoolSvc              INFO Database (SimplePoolFile1.root) attribute [BYTES_READ]: 27679
 PoolSvc              INFO Database (SimplePoolFile1.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #18, run #1 9 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -636,10 +645,11 @@ ReadData             INFO Hit x = 1920.49 y = 63.5816 z = -1851.86 detector = Du
 ReadData             INFO Hit x = 1923.7 y = 57.9027 z = -1853.68 detector = DummyHitDetector
 ReadData             INFO Hit x = 1926.91 y = 52.2238 z = -1855.07 detector = DummyHitDetector
 ReadData             INFO Hit x = 1930.12 y = 46.5449 z = -1856.17 detector = DummyHitDetector
-PoolSvc              INFO Database (SimplePoolFile1.root) attribute [BYTES_READ]: 26012
+PoolSvc              INFO Database (SimplePoolFile1.root) attribute [BYTES_READ]: 27679
 PoolSvc              INFO Database (SimplePoolFile1.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #19, run #1 10 events processed so far  <<<===
 MetaDataSvc         DEBUG handle() EndInputFile for FID:????
+MetaDataSvc         DEBUG retireMetadataSource: FID:????
 EventSelector        INFO Disconnecting input sourceID: ????
 Domain[ROOT_All]     INFO ->  Deaccess DbDatabase   READ      [ROOT_All] ????
 Domain[ROOT_All]     INFO >   Deaccess DbDomain     READ      [ROOT_All] 
@@ -656,10 +666,12 @@ EmptyPoolFile.root  DEBUG --> Access   DbContainer  READ      [ROOT_All] ##Shape
 EmptyPoolFile.root  DEBUG --->Reading Shape[0 , ????]: [1 Column(s)]
 EmptyPoolFile.root  DEBUG ---->[0]:EventStreamInfo_p3 Typ:EventStreamInfo_p3 [21] Size:0 Offset:0 #Elements:1
 EmptyPoolFile.root  DEBUG --->Reading Shape[1 , ????]: [1 Column(s)]
-EmptyPoolFile.root  DEBUG ---->[0]:DataHeader_p6 Typ:DataHeader_p6 [21] Size:0 Offset:0 #Elements:1
+EmptyPoolFile.root  DEBUG ---->[0]:xAOD::EventFormat_v1 Typ:xAOD::EventFormat_v1 [21] Size:0 Offset:0 #Elements:1
 EmptyPoolFile.root  DEBUG --->Reading Shape[2 , ????]: [1 Column(s)]
+EmptyPoolFile.root  DEBUG ---->[0]:DataHeader_p6 Typ:DataHeader_p6 [21] Size:0 Offset:0 #Elements:1
+EmptyPoolFile.root  DEBUG --->Reading Shape[3 , ????]: [1 Column(s)]
 EmptyPoolFile.root  DEBUG ---->[0]:DataHeaderForm_p6 Typ:DataHeaderForm_p6 [21] Size:0 Offset:0 #Elements:1
-##Shapes            DEBUG No objects passing selection criteria... Container has 3 Entries in total.
+##Shapes            DEBUG No objects passing selection criteria... Container has 4 Entries in total.
 EmptyPoolFile.root  DEBUG --> Access   DbContainer  READ      [ROOT_All] ##Links
 ##Links             DEBUG Opening
 ##Links             DEBUG    attributes# = 1
@@ -668,11 +680,13 @@ EmptyPoolFile.root  DEBUG --->Reading Assoc:????/##Params [200]  (2 , ffffffff)
 EmptyPoolFile.root  DEBUG ---->ClassID:????
 EmptyPoolFile.root  DEBUG --->Reading Assoc:????/MetaData(EventStreamInfo_p3/Stream3) [20?]  (3 , ffffffff)
 EmptyPoolFile.root  DEBUG ---->ClassID:????
-EmptyPoolFile.root  DEBUG --->Reading Assoc:????/MetaDataHdr(DataHeader) [20?]  (4 , ffffffff)
+EmptyPoolFile.root  DEBUG --->Reading Assoc:????/MetaData(xAOD::EventFormat_v1/EventFormatStream3) [20?]  (4 , ffffffff)
 EmptyPoolFile.root  DEBUG ---->ClassID:????
-EmptyPoolFile.root  DEBUG --->Reading Assoc:????/MetaDataHdrForm(DataHeaderForm) [20?]  (5 , ffffffff)
+EmptyPoolFile.root  DEBUG --->Reading Assoc:????/MetaDataHdr(DataHeader) [20?]  (5 , ffffffff)
 EmptyPoolFile.root  DEBUG ---->ClassID:????
-##Links             DEBUG No objects passing selection criteria... Container has 4 Entries in total.
+EmptyPoolFile.root  DEBUG --->Reading Assoc:????/MetaDataHdrForm(DataHeaderForm) [20?]  (6 , ffffffff)
+EmptyPoolFile.root  DEBUG ---->ClassID:????
+##Links             DEBUG No objects passing selection criteria... Container has 5 Entries in total.
 EmptyPoolFile.root  DEBUG --> Access   DbContainer  READ      [ROOT_All] ##Params
 ##Params            DEBUG Opening
 ##Params            DEBUG    attributes# = 1
@@ -695,6 +709,7 @@ MetaDataHdr(Dat...  DEBUG Opened container MetaDataHdr(DataHeader) of type ROOT_
 MetaDataSvc         DEBUG Loaded input meta data store proxies
 MetaDataSvc         DEBUG  calling beginInputFile for ToolSvc.IOVDbMetaDataTool
 MetaDataSvc         DEBUG handle() EndInputFile for eventless EmptyPoolFile.root
+MetaDataSvc         DEBUG retireMetadataSource: eventless EmptyPoolFile.root
 Domain[ROOT_All]     INFO ->  Deaccess DbDatabase   READ      [ROOT_All] ????
 Domain[ROOT_All]     INFO >   Deaccess DbDomain     READ      [ROOT_All] 
 EventSelector       DEBUG Try item: "SimplePoolFile2.root" from the collection list.
@@ -719,7 +734,9 @@ SimplePoolFile2...  DEBUG --->Reading Shape[4 , ????]: [1 Column(s)]
 SimplePoolFile2...  DEBUG ---->[0]:unsigned int Typ:unsigned int [3] Size:0 Offset:0 #Elements:1
 SimplePoolFile2...  DEBUG --->Reading Shape[5 , ????]: [1 Column(s)]
 SimplePoolFile2...  DEBUG ---->[0]:EventStreamInfo_p3 Typ:EventStreamInfo_p3 [21] Size:0 Offset:0 #Elements:1
-##Shapes            DEBUG No objects passing selection criteria... Container has 6 Entries in total.
+SimplePoolFile2...  DEBUG --->Reading Shape[6 , ????]: [1 Column(s)]
+SimplePoolFile2...  DEBUG ---->[0]:xAOD::EventFormat_v1 Typ:xAOD::EventFormat_v1 [21] Size:0 Offset:0 #Elements:1
+##Shapes            DEBUG No objects passing selection criteria... Container has 7 Entries in total.
 SimplePoolFile2...  DEBUG --> Access   DbContainer  READ      [ROOT_All] ##Links
 ##Links             DEBUG Opening
 ##Links             DEBUG    attributes# = 1
@@ -742,11 +759,13 @@ SimplePoolFile2...  DEBUG --->Reading Assoc:????/POOLCollectionTree(MagicNumber)
 SimplePoolFile2...  DEBUG ---->ClassID:????
 SimplePoolFile2...  DEBUG --->Reading Assoc:????/MetaData(EventStreamInfo_p3/Stream2) [20?]  (a , ffffffff)
 SimplePoolFile2...  DEBUG ---->ClassID:????
-SimplePoolFile2...  DEBUG --->Reading Assoc:????/MetaDataHdr(DataHeader) [20?]  (b , ffffffff)
+SimplePoolFile2...  DEBUG --->Reading Assoc:????/MetaData(xAOD::EventFormat_v1/EventFormatStream2) [20?]  (b , ffffffff)
+SimplePoolFile2...  DEBUG ---->ClassID:????
+SimplePoolFile2...  DEBUG --->Reading Assoc:????/MetaDataHdr(DataHeader) [20?]  (c , ffffffff)
 SimplePoolFile2...  DEBUG ---->ClassID:????
-SimplePoolFile2...  DEBUG --->Reading Assoc:????/MetaDataHdrForm(DataHeaderForm) [20?]  (c , ffffffff)
+SimplePoolFile2...  DEBUG --->Reading Assoc:????/MetaDataHdrForm(DataHeaderForm) [20?]  (d , ffffffff)
 SimplePoolFile2...  DEBUG ---->ClassID:????
-##Links             DEBUG No objects passing selection criteria... Container has 11 Entries in total.
+##Links             DEBUG No objects passing selection criteria... Container has 12 Entries in total.
 SimplePoolFile2...  DEBUG --> Access   DbContainer  READ      [ROOT_All] ##Params
 ##Params            DEBUG Opening
 ##Params            DEBUG    attributes# = 1
@@ -821,7 +840,7 @@ ReadData             INFO EventInfo event: 0 run: 1
 ReadData             INFO Get Smart data ptr 1
 ReadData             INFO Could not find ExampleTrackContainer/MyTracks
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 21905
+PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 23369
 PoolSvc              INFO Database (SimplePoolFile2.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #0, run #1 11 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -843,7 +862,7 @@ ReadData             INFO EventInfo event: 1 run: 1
 ReadData             INFO Get Smart data ptr 1
 ReadData             INFO Could not find ExampleTrackContainer/MyTracks
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 21905
+PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 23369
 PoolSvc              INFO Database (SimplePoolFile2.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #1, run #1 12 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -865,7 +884,7 @@ ReadData             INFO EventInfo event: 2 run: 1
 ReadData             INFO Get Smart data ptr 1
 ReadData             INFO Could not find ExampleTrackContainer/MyTracks
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 21905
+PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 23369
 PoolSvc              INFO Database (SimplePoolFile2.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #2, run #1 13 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -887,7 +906,7 @@ ReadData             INFO EventInfo event: 3 run: 1
 ReadData             INFO Get Smart data ptr 1
 ReadData             INFO Could not find ExampleTrackContainer/MyTracks
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 21905
+PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 23369
 PoolSvc              INFO Database (SimplePoolFile2.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #3, run #1 14 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -909,7 +928,7 @@ ReadData             INFO EventInfo event: 4 run: 1
 ReadData             INFO Get Smart data ptr 1
 ReadData             INFO Could not find ExampleTrackContainer/MyTracks
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 21905
+PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 23369
 PoolSvc              INFO Database (SimplePoolFile2.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #4, run #1 15 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -931,7 +950,7 @@ ReadData             INFO EventInfo event: 5 run: 1
 ReadData             INFO Get Smart data ptr 1
 ReadData             INFO Could not find ExampleTrackContainer/MyTracks
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 21905
+PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 23369
 PoolSvc              INFO Database (SimplePoolFile2.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #5, run #1 16 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -953,7 +972,7 @@ ReadData             INFO EventInfo event: 6 run: 1
 ReadData             INFO Get Smart data ptr 1
 ReadData             INFO Could not find ExampleTrackContainer/MyTracks
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 21905
+PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 23369
 PoolSvc              INFO Database (SimplePoolFile2.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #6, run #1 17 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -975,7 +994,7 @@ ReadData             INFO EventInfo event: 7 run: 1
 ReadData             INFO Get Smart data ptr 1
 ReadData             INFO Could not find ExampleTrackContainer/MyTracks
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 21905
+PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 23369
 PoolSvc              INFO Database (SimplePoolFile2.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #7, run #1 18 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -997,7 +1016,7 @@ ReadData             INFO EventInfo event: 8 run: 1
 ReadData             INFO Get Smart data ptr 1
 ReadData             INFO Could not find ExampleTrackContainer/MyTracks
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 21905
+PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 23369
 PoolSvc              INFO Database (SimplePoolFile2.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #8, run #1 19 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1019,7 +1038,7 @@ ReadData             INFO EventInfo event: 9 run: 1
 ReadData             INFO Get Smart data ptr 1
 ReadData             INFO Could not find ExampleTrackContainer/MyTracks
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 21905
+PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 23369
 PoolSvc              INFO Database (SimplePoolFile2.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #9, run #1 20 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1041,7 +1060,7 @@ ReadData             INFO EventInfo event: 10 run: 1
 ReadData             INFO Get Smart data ptr 1
 ReadData             INFO Could not find ExampleTrackContainer/MyTracks
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 21905
+PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 23369
 PoolSvc              INFO Database (SimplePoolFile2.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #10, run #1 21 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1063,7 +1082,7 @@ ReadData             INFO EventInfo event: 11 run: 1
 ReadData             INFO Get Smart data ptr 1
 ReadData             INFO Could not find ExampleTrackContainer/MyTracks
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 21905
+PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 23369
 PoolSvc              INFO Database (SimplePoolFile2.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #11, run #1 22 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1085,7 +1104,7 @@ ReadData             INFO EventInfo event: 12 run: 1
 ReadData             INFO Get Smart data ptr 1
 ReadData             INFO Could not find ExampleTrackContainer/MyTracks
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 21905
+PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 23369
 PoolSvc              INFO Database (SimplePoolFile2.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #12, run #1 23 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1107,7 +1126,7 @@ ReadData             INFO EventInfo event: 13 run: 1
 ReadData             INFO Get Smart data ptr 1
 ReadData             INFO Could not find ExampleTrackContainer/MyTracks
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 21905
+PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 23369
 PoolSvc              INFO Database (SimplePoolFile2.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #13, run #1 24 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1129,7 +1148,7 @@ ReadData             INFO EventInfo event: 14 run: 1
 ReadData             INFO Get Smart data ptr 1
 ReadData             INFO Could not find ExampleTrackContainer/MyTracks
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 21905
+PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 23369
 PoolSvc              INFO Database (SimplePoolFile2.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #14, run #1 25 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1151,7 +1170,7 @@ ReadData             INFO EventInfo event: 15 run: 1
 ReadData             INFO Get Smart data ptr 1
 ReadData             INFO Could not find ExampleTrackContainer/MyTracks
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 21905
+PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 23369
 PoolSvc              INFO Database (SimplePoolFile2.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #15, run #1 26 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1173,7 +1192,7 @@ ReadData             INFO EventInfo event: 16 run: 1
 ReadData             INFO Get Smart data ptr 1
 ReadData             INFO Could not find ExampleTrackContainer/MyTracks
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 21905
+PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 23369
 PoolSvc              INFO Database (SimplePoolFile2.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #16, run #1 27 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1195,7 +1214,7 @@ ReadData             INFO EventInfo event: 17 run: 1
 ReadData             INFO Get Smart data ptr 1
 ReadData             INFO Could not find ExampleTrackContainer/MyTracks
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 21905
+PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 23369
 PoolSvc              INFO Database (SimplePoolFile2.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #17, run #1 28 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1217,7 +1236,7 @@ ReadData             INFO EventInfo event: 18 run: 1
 ReadData             INFO Get Smart data ptr 1
 ReadData             INFO Could not find ExampleTrackContainer/MyTracks
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 21905
+PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 23369
 PoolSvc              INFO Database (SimplePoolFile2.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #18, run #1 29 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1239,10 +1258,11 @@ ReadData             INFO EventInfo event: 19 run: 1
 ReadData             INFO Get Smart data ptr 1
 ReadData             INFO Could not find ExampleTrackContainer/MyTracks
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 21905
+PoolSvc              INFO Database (SimplePoolFile2.root) attribute [BYTES_READ]: 23369
 PoolSvc              INFO Database (SimplePoolFile2.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #19, run #1 30 events processed so far  <<<===
 MetaDataSvc         DEBUG handle() EndInputFile for FID:????
+MetaDataSvc         DEBUG retireMetadataSource: FID:????
 EventSelector        INFO Disconnecting input sourceID: ????
 Domain[ROOT_All]     INFO ->  Deaccess DbDatabase   READ      [ROOT_All] ????
 Domain[ROOT_All]     INFO >   Deaccess DbDomain     READ      [ROOT_All] 
@@ -1266,7 +1286,9 @@ SimplePoolFile3...  DEBUG --->Reading Shape[3 , ????]: [1 Column(s)]
 SimplePoolFile3...  DEBUG ---->[0]:DataHeaderForm_p6 Typ:DataHeaderForm_p6 [21] Size:0 Offset:0 #Elements:1
 SimplePoolFile3...  DEBUG --->Reading Shape[4 , ????]: [1 Column(s)]
 SimplePoolFile3...  DEBUG ---->[0]:EventStreamInfo_p3 Typ:EventStreamInfo_p3 [21] Size:0 Offset:0 #Elements:1
-##Shapes            DEBUG No objects passing selection criteria... Container has 5 Entries in total.
+SimplePoolFile3...  DEBUG --->Reading Shape[5 , ????]: [1 Column(s)]
+SimplePoolFile3...  DEBUG ---->[0]:xAOD::EventFormat_v1 Typ:xAOD::EventFormat_v1 [21] Size:0 Offset:0 #Elements:1
+##Shapes            DEBUG No objects passing selection criteria... Container has 6 Entries in total.
 SimplePoolFile3...  DEBUG --> Access   DbContainer  READ      [ROOT_All] ##Links
 ##Links             DEBUG Opening
 ##Links             DEBUG    attributes# = 1
@@ -1283,11 +1305,13 @@ SimplePoolFile3...  DEBUG --->Reading Assoc:????/POOLContainerForm(DataHeaderFor
 SimplePoolFile3...  DEBUG ---->ClassID:????
 SimplePoolFile3...  DEBUG --->Reading Assoc:????/MetaData(EventStreamInfo_p3/Stream2) [20?]  (7 , ffffffff)
 SimplePoolFile3...  DEBUG ---->ClassID:????
-SimplePoolFile3...  DEBUG --->Reading Assoc:????/MetaDataHdr(DataHeader) [20?]  (8 , ffffffff)
+SimplePoolFile3...  DEBUG --->Reading Assoc:????/MetaData(xAOD::EventFormat_v1/EventFormatStream2) [20?]  (8 , ffffffff)
+SimplePoolFile3...  DEBUG ---->ClassID:????
+SimplePoolFile3...  DEBUG --->Reading Assoc:????/MetaDataHdr(DataHeader) [20?]  (9 , ffffffff)
 SimplePoolFile3...  DEBUG ---->ClassID:????
-SimplePoolFile3...  DEBUG --->Reading Assoc:????/MetaDataHdrForm(DataHeaderForm) [20?]  (9 , ffffffff)
+SimplePoolFile3...  DEBUG --->Reading Assoc:????/MetaDataHdrForm(DataHeaderForm) [20?]  (a , ffffffff)
 SimplePoolFile3...  DEBUG ---->ClassID:????
-##Links             DEBUG No objects passing selection criteria... Container has 8 Entries in total.
+##Links             DEBUG No objects passing selection criteria... Container has 9 Entries in total.
 SimplePoolFile3...  DEBUG --> Access   DbContainer  READ      [ROOT_All] ##Params
 ##Params            DEBUG Opening
 ##Params            DEBUG    attributes# = 1
@@ -1370,7 +1394,7 @@ ReadData             INFO Track pt = 74.8928 eta = 3.1676 phi = 2.6161 detector
 DataProxy         WARNING accessData:  IOA pointer not set
 ReadData          WARNING Could not follow ExampleTrackContainer/MyTracks ElementLinks to ExampleHitContainer/MyHits
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 23924
+PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 25541
 PoolSvc              INFO Database (SimplePoolFile3.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #0, run #1 31 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1396,7 +1420,7 @@ ReadData             INFO Track pt = 137.584 eta = -39.525 phi = 17.2679 detecto
 DataProxy         WARNING accessData:  IOA pointer not set
 ReadData          WARNING Could not follow ExampleTrackContainer/MyTracks ElementLinks to ExampleHitContainer/MyHits
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 23924
+PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 25541
 PoolSvc              INFO Database (SimplePoolFile3.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #1, run #1 32 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1422,7 +1446,7 @@ ReadData             INFO Track pt = 228.154 eta = -6.2704 phi = 31.9197 detecto
 DataProxy         WARNING accessData:  IOA pointer not set
 ReadData          WARNING Could not follow ExampleTrackContainer/MyTracks ElementLinks to ExampleHitContainer/MyHits
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 23924
+PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 25541
 PoolSvc              INFO Database (SimplePoolFile3.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #2, run #1 33 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1448,7 +1472,7 @@ ReadData             INFO Track pt = 324.306 eta = -15.8941 phi = 46.5715 detect
 DataProxy         WARNING accessData:  IOA pointer not set
 ReadData          WARNING Could not follow ExampleTrackContainer/MyTracks ElementLinks to ExampleHitContainer/MyHits
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 23924
+PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 25541
 PoolSvc              INFO Database (SimplePoolFile3.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #3, run #1 34 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1474,7 +1498,7 @@ ReadData             INFO Track pt = 422.255 eta = -13.279 phi = 61.2233 detecto
 DataProxy         WARNING accessData:  IOA pointer not set
 ReadData          WARNING Could not follow ExampleTrackContainer/MyTracks ElementLinks to ExampleHitContainer/MyHits
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 23924
+PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 25541
 PoolSvc              INFO Database (SimplePoolFile3.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #4, run #1 35 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1500,7 +1524,7 @@ ReadData             INFO Track pt = 520.987 eta = -12.3511 phi = 75.8751 detect
 DataProxy         WARNING accessData:  IOA pointer not set
 ReadData          WARNING Could not follow ExampleTrackContainer/MyTracks ElementLinks to ExampleHitContainer/MyHits
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 23924
+PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 25541
 PoolSvc              INFO Database (SimplePoolFile3.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #5, run #1 36 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1526,7 +1550,7 @@ ReadData             INFO Track pt = 620.127 eta = -11.8468 phi = 90.5269 detect
 DataProxy         WARNING accessData:  IOA pointer not set
 ReadData          WARNING Could not follow ExampleTrackContainer/MyTracks ElementLinks to ExampleHitContainer/MyHits
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 23924
+PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 25541
 PoolSvc              INFO Database (SimplePoolFile3.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #6, run #1 37 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1552,7 +1576,7 @@ ReadData             INFO Track pt = 719.507 eta = -11.5247 phi = 105.179 detect
 DataProxy         WARNING accessData:  IOA pointer not set
 ReadData          WARNING Could not follow ExampleTrackContainer/MyTracks ElementLinks to ExampleHitContainer/MyHits
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 23924
+PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 25541
 PoolSvc              INFO Database (SimplePoolFile3.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #7, run #1 38 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1578,7 +1602,7 @@ ReadData             INFO Track pt = 819.038 eta = -11.2998 phi = 119.831 detect
 DataProxy         WARNING accessData:  IOA pointer not set
 ReadData          WARNING Could not follow ExampleTrackContainer/MyTracks ElementLinks to ExampleHitContainer/MyHits
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 23924
+PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 25541
 PoolSvc              INFO Database (SimplePoolFile3.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #8, run #1 39 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1604,7 +1628,7 @@ ReadData             INFO Track pt = 918.671 eta = -11.1334 phi = 134.482 detect
 DataProxy         WARNING accessData:  IOA pointer not set
 ReadData          WARNING Could not follow ExampleTrackContainer/MyTracks ElementLinks to ExampleHitContainer/MyHits
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 23924
+PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 25541
 PoolSvc              INFO Database (SimplePoolFile3.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #9, run #1 40 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1630,7 +1654,7 @@ ReadData             INFO Track pt = 1018.38 eta = -11.0052 phi = 149.134 detect
 DataProxy         WARNING accessData:  IOA pointer not set
 ReadData          WARNING Could not follow ExampleTrackContainer/MyTracks ElementLinks to ExampleHitContainer/MyHits
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 23924
+PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 25541
 PoolSvc              INFO Database (SimplePoolFile3.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #10, run #1 41 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1656,7 +1680,7 @@ ReadData             INFO Track pt = 1118.13 eta = -10.9031 phi = 163.786 detect
 DataProxy         WARNING accessData:  IOA pointer not set
 ReadData          WARNING Could not follow ExampleTrackContainer/MyTracks ElementLinks to ExampleHitContainer/MyHits
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 23924
+PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 25541
 PoolSvc              INFO Database (SimplePoolFile3.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #11, run #1 42 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1682,7 +1706,7 @@ ReadData             INFO Track pt = 1217.93 eta = -10.82 phi = 178.438 detector
 DataProxy         WARNING accessData:  IOA pointer not set
 ReadData          WARNING Could not follow ExampleTrackContainer/MyTracks ElementLinks to ExampleHitContainer/MyHits
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 23924
+PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 25541
 PoolSvc              INFO Database (SimplePoolFile3.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #12, run #1 43 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1708,7 +1732,7 @@ ReadData             INFO Track pt = 1317.76 eta = -10.751 phi = 193.09 detector
 DataProxy         WARNING accessData:  IOA pointer not set
 ReadData          WARNING Could not follow ExampleTrackContainer/MyTracks ElementLinks to ExampleHitContainer/MyHits
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 23924
+PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 25541
 PoolSvc              INFO Database (SimplePoolFile3.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #13, run #1 44 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1734,7 +1758,7 @@ ReadData             INFO Track pt = 1417.61 eta = -10.6927 phi = 207.741 detect
 DataProxy         WARNING accessData:  IOA pointer not set
 ReadData          WARNING Could not follow ExampleTrackContainer/MyTracks ElementLinks to ExampleHitContainer/MyHits
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 23924
+PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 25541
 PoolSvc              INFO Database (SimplePoolFile3.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #14, run #1 45 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1760,7 +1784,7 @@ ReadData             INFO Track pt = 1517.49 eta = -10.6429 phi = 222.393 detect
 DataProxy         WARNING accessData:  IOA pointer not set
 ReadData          WARNING Could not follow ExampleTrackContainer/MyTracks ElementLinks to ExampleHitContainer/MyHits
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 23924
+PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 25541
 PoolSvc              INFO Database (SimplePoolFile3.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #15, run #1 46 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1786,7 +1810,7 @@ ReadData             INFO Track pt = 1617.37 eta = -10.5997 phi = 237.045 detect
 DataProxy         WARNING accessData:  IOA pointer not set
 ReadData          WARNING Could not follow ExampleTrackContainer/MyTracks ElementLinks to ExampleHitContainer/MyHits
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 23924
+PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 25541
 PoolSvc              INFO Database (SimplePoolFile3.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #16, run #1 47 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1812,7 +1836,7 @@ ReadData             INFO Track pt = 1717.27 eta = -10.562 phi = 251.697 detecto
 DataProxy         WARNING accessData:  IOA pointer not set
 ReadData          WARNING Could not follow ExampleTrackContainer/MyTracks ElementLinks to ExampleHitContainer/MyHits
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 23924
+PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 25541
 PoolSvc              INFO Database (SimplePoolFile3.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #17, run #1 48 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1838,7 +1862,7 @@ ReadData             INFO Track pt = 1817.19 eta = -10.5288 phi = 266.349 detect
 DataProxy         WARNING accessData:  IOA pointer not set
 ReadData          WARNING Could not follow ExampleTrackContainer/MyTracks ElementLinks to ExampleHitContainer/MyHits
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 23924
+PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 25541
 PoolSvc              INFO Database (SimplePoolFile3.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #18, run #1 49 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
@@ -1864,13 +1888,14 @@ ReadData             INFO Track pt = 1917.11 eta = -10.4993 phi = 281 detector =
 DataProxy         WARNING accessData:  IOA pointer not set
 ReadData          WARNING Could not follow ExampleTrackContainer/MyTracks ElementLinks to ExampleHitContainer/MyHits
 ReadData             INFO Could not find ExampleHitContainer/MyHits
-PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 23924
+PoolSvc              INFO Database (SimplePoolFile3.root) attribute [BYTES_READ]: 25541
 PoolSvc              INFO Database (SimplePoolFile3.root) attribute [READ_CALLS]: 21
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #19, run #1 50 events processed so far  <<<===
-Domain[ROOT_All]     INFO ->  Deaccess DbDatabase   READ      [ROOT_All] ????
-Domain[ROOT_All]     INFO >   Deaccess DbDomain     READ      [ROOT_All] 
 MetaDataSvc         DEBUG handle() EndInputFile for FID:????
+MetaDataSvc         DEBUG retireMetadataSource: FID:????
 EventSelector        INFO Disconnecting input sourceID: ????
+Domain[ROOT_All]     INFO ->  Deaccess DbDatabase   READ      [ROOT_All] ????
+Domain[ROOT_All]     INFO >   Deaccess DbDomain     READ      [ROOT_All] 
 AthenaEventLoopMgr   INFO No more events in event selection 
 MetaDataSvc         DEBUG MetaDataSvc::stop()
 ApplicationMgr       INFO Application Manager Stopped successfully
@@ -1882,9 +1907,9 @@ ToolSvc              INFO Removing all tools created by ToolSvc
 *****Chrono*****     INFO ****************************************************************************************************
 *****Chrono*****     INFO  The Final CPU consumption ( Chrono ) Table (ordered)
 *****Chrono*****     INFO ****************************************************************************************************
-cObjR_ALL            INFO Time User   : Tot=   10 [ms] Ave/Min/Max=0.073(+-0.851)/    0/   10 [ms] #=137
-cObj_ALL             INFO Time User   : Tot=   30 [ms] Ave/Min/Max=0.233(+- 1.51)/    0/   10 [ms] #=129
-ChronoStatSvc        INFO Time User   : Tot=  480 [ms]                                             #=  1
+cObj_ALL             INFO Time User   : Tot=   10 [ms] Ave/Min/Max=  0.0775(+-   0.877)/       0/      10 [ms] #=129
+cObjR_ALL            INFO Time User   : Tot=   10 [ms] Ave/Min/Max=  0.0725(+-   0.848)/       0/      10 [ms] #=138
+ChronoStatSvc        INFO Time User   : Tot=  190 [ms]  #=  1
 *****Chrono*****     INFO ****************************************************************************************************
 ChronoStatSvc.f...   INFO  Service finalized successfully 
 ApplicationMgr       INFO Application Manager Finalized successfully
diff --git a/Database/AthenaPOOL/AthenaPoolExample/AthenaPoolExampleAlgorithms/share/AthenaPoolExample_WCond.ref b/Database/AthenaPOOL/AthenaPoolExample/AthenaPoolExampleAlgorithms/share/AthenaPoolExample_WCond.ref
index 118106d403c66a1906a0feee5e2fe5929277d4c4..7f6d1a6c6d7b5596e867df09634cb582a14c8bcf 100644
--- a/Database/AthenaPOOL/AthenaPoolExample/AthenaPoolExampleAlgorithms/share/AthenaPoolExample_WCond.ref
+++ b/Database/AthenaPOOL/AthenaPoolExample/AthenaPoolExampleAlgorithms/share/AthenaPoolExample_WCond.ref
@@ -1,39 +1,35 @@
-Sat Nov  2 01:41:16 CET 2019
+Tue Oct  6 16:04:36 CEST 20?0
 Preloading tcmalloc_minimal.so
 Athena               INFO including file "AthenaCommon/Preparation.py"
 Athena               INFO including file "AthenaCommon/Atlas.UnixStandardJob.py"
 Athena               INFO executing ROOT6Setup
 Athena               INFO including file "AthenaCommon/Execution.py"
 Athena               INFO including file "AthenaPoolExampleAlgorithms/AthenaPoolExample_WCondJobOptions.py"
-Py:ConfigurableDb    INFO Read module info for 5598 configurables from 9 genConfDb files
+Py:ConfigurableDb    INFO Read module info for 5569 configurables from 4 genConfDb files
 Py:ConfigurableDb    INFO No duplicates have been found: that's good !
 Athena               INFO including file "AthenaCommon/runbatch.py"
-ApplicationMgr       INFO Updating Gaudi::PluginService::SetDebug(level) to level= 'PluginDebugLevel':0
-ApplicationMgr       INFO Updating Gaudi::PluginService::SetDebug(level) to level= 'PluginDebugLevel':0
 ApplicationMgr    SUCCESS 
 ====================================================================================================================================
-                                                   Welcome to ApplicationMgr (GaudiCoreSvc v32r2)
-                                          running on aibuild028.cern.ch on Sat Nov  2 01:41:26 2019
+                                                   Welcome to ApplicationMgr (GaudiCoreSvc v34r0)
+                                          running on 58dd451bc47f on Tue Oct  6 16:04:42 20?0
 ====================================================================================================================================
 ApplicationMgr       INFO Application Manager Configured successfully
-ApplicationMgr       INFO Updating Gaudi::PluginService::SetDebug(level) to level= 'PluginDebugLevel':0
-StatusCodeSvc        INFO initialize
 AthDictLoaderSvc     INFO in initialize...
 AthDictLoaderSvc     INFO acquired Dso-registry
-ClassIDSvc           INFO  getRegistryEntries: read 3286 CLIDRegistry entries for module ALL
+ClassIDSvc           INFO  getRegistryEntries: read 3308 CLIDRegistry entries for module ALL
 AthenaEventLoopMgr   INFO Initializing AthenaEventLoopMgr - package version AthenaServices-00-00-00
-ClassIDSvc           INFO  getRegistryEntries: read 1182 CLIDRegistry entries for module ALL
+ClassIDSvc           INFO  getRegistryEntries: read 120? CLIDRegistry entries for module ALL
 Stream1             DEBUG Property update for OutputLevel : new value = 2
 Stream1             DEBUG in initialize()
 ToolSvc.Stream1...   INFO Initializing ToolSvc.Stream1Tool - package version AthenaServices-00-00-00
-AthenaPoolCnvSvc     INFO Initializing AthenaPoolCnvSvc - package version AthenaPoolCnvSvc-00-00-00
 PoolSvc             DEBUG Property update for OutputLevel : new value = 2
 PoolSvc             DEBUG Service base class initialized successfully
 PoolSvc              INFO Set connectionsvc retry/timeout/IDLE timeout to  'ConnectionRetrialPeriod':300/ 'ConnectionRetrialTimeOut':3600/ 'ConnectionTimeOut':5 seconds with connection cleanup disabled
 PoolSvc              INFO Frontier compression level set to 5
-DBReplicaSvc         INFO Frontier server at (serverurl=http://atlasfrontier-local.cern.ch:8000/atlr)(serverurl=http://atlasfrontier-ai.cern.ch:8000/atlr)(serverurl=http://lcgft-atlas.gridpp.rl.ac.uk:3128/frontierATLAS)(serverurl=http://ccfrontier.in2p3.fr:23128/ccin2p3-AtlasFrontier)(proxyurl=http://ca-proxy.cern.ch:3128)(proxyurl=http://ca-proxy-meyrin.cern.ch:3128)(proxyurl=http://ca-proxy-wigner.cern.ch:3128)(proxyurl=http://atlasbpfrontier.cern.ch:3127)(proxyurl=http://atlasbpfrontier.fnal.gov:3127) will be considered for COOL data
-DBReplicaSvc         INFO Read replica configuration from /cvmfs/atlas-nightlies.cern.ch/repo/sw/master/2019-10-31T2131/Athena/22.0.7/InstallArea/x86_64-centos7-gcc8-opt/share/dbreplica.config
-DBReplicaSvc         INFO Total of 10 servers found for host aibuild028.cern.ch [ATLF ATLAS_COOLPROD atlas_dd ATLAS_CONFIG INT8R INTR ATONR_COOL ATONR_CONF DEVDB11 ATLF ]
+DBReplicaSvc         INFO Frontier server at (serverurl=http://atlasfrontier-ai.cern.ch:8000/atlr)(serverurl=http://frontier-atlas.lcg.triumf.ca:3128/ATLAS_frontier)(serverurl=http://ccfrontier.in2p3.fr:23128/ccin2p3-AtlasFrontier)(proxyurl=http://atlasbpfrontier.cern.ch:3127)(proxyurl=http://atlasbpfrontier.fnal.gov:3127) will be considered for COOL data
+DBReplicaSvc         INFO Read replica configuration from /cvmfs/atlas-nightlies.cern.ch/repo/sw/master_Athena_x86_64-centos7-gcc8-opt/20?0-10-05T2101/Athena/22.0.19/InstallArea/x86_64-centos7-gcc8-opt/share/dbreplica.config
+DBReplicaSvc         INFO No specific match for domain found - use default fallback
+DBReplicaSvc         INFO Total of 2 servers found for host 58dd451bc47f [ATLF atlas_dd ]
 PoolSvc              INFO Successfully setup replica sorting algorithm
 PoolSvc             DEBUG OutputLevel is 2
 PoolSvc              INFO Setting up APR FileCatalog and Streams
@@ -83,7 +79,9 @@ SimplePoolFile1...  DEBUG --->Reading Shape[8 , ????]: [1 Column(s)]
 SimplePoolFile1...  DEBUG ---->[0]:float Typ:float [10] Size:0 Offset:0 #Elements:1
 SimplePoolFile1...  DEBUG --->Reading Shape[9 , ????]: [1 Column(s)]
 SimplePoolFile1...  DEBUG ---->[0]:EventStreamInfo_p3 Typ:EventStreamInfo_p3 [21] Size:0 Offset:0 #Elements:1
-##Shapes            DEBUG No objects passing selection criteria... Container has 10 Entries in total.
+SimplePoolFile1...  DEBUG --->Reading Shape[10 , ????]: [1 Column(s)]
+SimplePoolFile1...  DEBUG ---->[0]:xAOD::EventFormat_v1 Typ:xAOD::EventFormat_v1 [21] Size:0 Offset:0 #Elements:1
+##Shapes            DEBUG No objects passing selection criteria... Container has 11 Entries in total.
 SimplePoolFile1...  DEBUG --> Access   DbContainer  READ      [ROOT_All] ##Links
 ##Links             DEBUG Opening
 ##Links             DEBUG    attributes# = 1
@@ -126,11 +124,13 @@ SimplePoolFile1...  DEBUG --->Reading Assoc:????/POOLCollectionTree(EventWeight)
 SimplePoolFile1...  DEBUG ---->ClassID:????
 SimplePoolFile1...  DEBUG --->Reading Assoc:????/MetaData(EventStreamInfo_p3/Stream1) [20?]  (14 , ffffffff)
 SimplePoolFile1...  DEBUG ---->ClassID:????
-SimplePoolFile1...  DEBUG --->Reading Assoc:????/MetaDataHdr(DataHeader) [20?]  (15 , ffffffff)
+SimplePoolFile1...  DEBUG --->Reading Assoc:????/MetaData(xAOD::EventFormat_v1/EventFormatStream1) [20?]  (15 , ffffffff)
 SimplePoolFile1...  DEBUG ---->ClassID:????
-SimplePoolFile1...  DEBUG --->Reading Assoc:????/MetaDataHdrForm(DataHeaderForm) [20?]  (16 , ffffffff)
+SimplePoolFile1...  DEBUG --->Reading Assoc:????/MetaDataHdr(DataHeader) [20?]  (16 , ffffffff)
 SimplePoolFile1...  DEBUG ---->ClassID:????
-##Links             DEBUG No objects passing selection criteria... Container has 21 Entries in total.
+SimplePoolFile1...  DEBUG --->Reading Assoc:????/MetaDataHdrForm(DataHeaderForm) [20?]  (17 , ffffffff)
+SimplePoolFile1...  DEBUG ---->ClassID:????
+##Links             DEBUG No objects passing selection criteria... Container has 22 Entries in total.
 SimplePoolFile1...  DEBUG --> Access   DbContainer  READ      [ROOT_All] ##Params
 ##Params            DEBUG Opening
 ##Params            DEBUG    attributes# = 1
@@ -145,7 +145,7 @@ MetaDataHdr(Dat...  DEBUG Opening
 MetaDataHdr(Dat...  DEBUG    attributes# = 1
 MetaDataHdr(Dat...  DEBUG Branch container 'DataHeader'
 MetaDataHdr(Dat...  DEBUG Opened container MetaDataHdr(DataHeader) of type ROOT_Tree
-ClassIDSvc           INFO  getRegistryEntries: read 2047 CLIDRegistry entries for module ALL
+ClassIDSvc           INFO  getRegistryEntries: read 1660 CLIDRegistry entries for module ALL
 EventPersistenc...   INFO Added successfully Conversion service:AthenaPoolCnvSvc
 SimplePoolFile1...  DEBUG --> Access   DbContainer  READ      [ROOT_Tree] MetaDataHdrForm(DataHeaderForm)
 MetaDataHdrForm...  DEBUG Opening
@@ -154,6 +154,7 @@ MetaDataHdrForm...  DEBUG Branch container 'DataHeaderForm'
 MetaDataHdrForm...  DEBUG Opened container MetaDataHdrForm(DataHeaderForm) of type ROOT_Tree
 MetaDataSvc         DEBUG Loaded input meta data store proxies
 ClassIDSvc           INFO  getRegistryEntries: read 2 CLIDRegistry entries for module ALL
+OutputStreamSeq...   INFO Initializing OutputStreamSequencerSvc - package version AthenaServices-00-00-00
 AthenaPoolAddre...  DEBUG Property update for OutputLevel : new value = 2
 AthenaPoolAddre...  DEBUG Service base class initialized successfully
 ReadData            DEBUG input handles: 2
@@ -168,7 +169,6 @@ WriteCond           DEBUG input handles: 1
 WriteCond           DEBUG output handles: 0
 WriteCond           DEBUG Data Deps for WriteCond
   + INPUT   ( 'ExampleHitContainer' , 'StoreGateSvc+MyHits' ) 
-HistogramPersis...WARNING Histograms saving not required.
 AthenaEventLoopMgr   INFO Setup EventSelector service EventSelector
 ApplicationMgr       INFO Application Manager Initialized successfully
 EventSelector       DEBUG Try item: "SimplePoolFile1.root" from the collection list.
@@ -250,7 +250,7 @@ EventSelector       DEBUG Get AttributeList from the collection
 EventSelector       DEBUG AttributeList size 12
 EventSelector       DEBUG record AthenaAttribute, name = Token = [DB=????][CNT=POOLContainer(DataHeader)][CLID=????][TECH=0000020?][OID=00000005-00000001].
 EventSelector       DEBUG record AthenaAttribute, name = eventRef = [DB=????][CNT=POOLContainer(DataHeader)][CLID=????][TECH=0000020?][OID=00000005-00000001].
-ClassIDSvc           INFO  getRegistryEntries: read 27 CLIDRegistry entries for module ALL
+ClassIDSvc           INFO  getRegistryEntries: read 21 CLIDRegistry entries for module ALL
 EventSelector       DEBUG found AthenaAttribute, name = eventRef = [DB=????][CNT=POOLContainer(DataHeader)][CLID=????][TECH=0000020?][OID=00000005-00000001]
 AthenaPoolAddre...  DEBUG The current Event contains: 3 objects
 AthenaPoolAddre...  DEBUG loadAddresses: DataObject address, clid = 2101, name = McEventInfo
@@ -1065,6 +1065,7 @@ WriteCond            INFO Hit x = 1930.12 y = 46.5449 z = -1856.17 detector = Du
 WriteCond            INFO registered all data
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #19, run #1 20 events processed so far  <<<===
 MetaDataSvc         DEBUG handle() EndInputFile for FID:????
+MetaDataSvc         DEBUG retireMetadataSource: FID:????
 EventSelector        INFO Disconnecting input sourceID: ????
 Domain[ROOT_All]     INFO ->  Deaccess DbDatabase   READ      [ROOT_All] ????
 Domain[ROOT_All]     INFO >   Deaccess DbDomain     READ      [ROOT_All] 
@@ -1146,13 +1147,13 @@ ToolSvc              INFO Removing all tools created by ToolSvc
 *****Chrono*****     INFO ****************************************************************************************************
 *****Chrono*****     INFO  The Final CPU consumption ( Chrono ) Table (ordered)
 *****Chrono*****     INFO ****************************************************************************************************
-commitOutput         INFO Time User   : Tot=    0 [us]                                             #=  1
-cRep_ALL             INFO Time User   : Tot=    0 [us] Ave/Min/Max=    0(+-    0)/    0/    0 [us] #=  2
-fRep_ALL             INFO Time User   : Tot=    0 [us] Ave/Min/Max=    0(+-    0)/    0/    0 [us] #=  2
-cRepR_ALL            INFO Time User   : Tot=    0 [us] Ave/Min/Max=    0(+-    0)/    0/    0 [us] #=  3
-cObjR_ALL            INFO Time User   : Tot=   10 [ms] Ave/Min/Max=0.217(+- 1.46)/    0/   10 [ms] #= 46
-cObj_ALL             INFO Time User   : Tot=   20 [ms] Ave/Min/Max=0.465(+- 2.11)/    0/   10 [ms] #= 43
-ChronoStatSvc        INFO Time User   : Tot=  470 [ms]                                             #=  1
+commitOutput         INFO Time User   : Tot=    0 [us]  #=  1
+cRep_ALL             INFO Time User   : Tot=    0 [us] Ave/Min/Max=       0(+-       0)/       0/       0 [us] #=  2
+fRep_ALL             INFO Time User   : Tot=    0 [us] Ave/Min/Max=       0(+-       0)/       0/       0 [us] #=  2
+cRepR_ALL            INFO Time User   : Tot=    0 [us] Ave/Min/Max=       0(+-       0)/       0/       0 [us] #=  3
+cObjR_ALL            INFO Time User   : Tot=    0 [us] Ave/Min/Max=       0(+-       0)/       0/       0 [us] #= 46
+cObj_ALL             INFO Time User   : Tot=   10 [ms] Ave/Min/Max=   0.233(+-    1.51)/       0/      10 [ms] #= 43
+ChronoStatSvc        INFO Time User   : Tot=  160 [ms]  #=  1
 *****Chrono*****     INFO ****************************************************************************************************
 ChronoStatSvc.f...   INFO  Service finalized successfully 
 ApplicationMgr       INFO Application Manager Finalized successfully
diff --git a/Database/AthenaPOOL/AthenaPoolExample/AthenaPoolExampleAlgorithms/share/AthenaPoolExample_WMeta.ref b/Database/AthenaPOOL/AthenaPoolExample/AthenaPoolExampleAlgorithms/share/AthenaPoolExample_WMeta.ref
index cbc2ef3aa26a5f8dae0f8a36e06ae2259b7c027c..b579bd82c35f4cd4268239b4cb98f70b4aa3520d 100644
--- a/Database/AthenaPOOL/AthenaPoolExample/AthenaPoolExampleAlgorithms/share/AthenaPoolExample_WMeta.ref
+++ b/Database/AthenaPOOL/AthenaPoolExample/AthenaPoolExampleAlgorithms/share/AthenaPoolExample_WMeta.ref
@@ -1,17 +1,17 @@
-Fri Sep 11 23:48:28 CEST 20?0
+Tue Oct  6 16:04:50 CEST 20?0
 Preloading tcmalloc_minimal.so
 Athena               INFO including file "AthenaCommon/Preparation.py"
 Athena               INFO including file "AthenaCommon/Atlas.UnixStandardJob.py"
 Athena               INFO executing ROOT6Setup
 Athena               INFO including file "AthenaCommon/Execution.py"
 Athena               INFO including file "AthenaPoolExampleAlgorithms/AthenaPoolExample_WMetaJobOptions.py"
-Py:ConfigurableDb    INFO Read module info for 5568 configurables from 4 genConfDb files
+Py:ConfigurableDb    INFO Read module info for 5569 configurables from 4 genConfDb files
 Py:ConfigurableDb    INFO No duplicates have been found: that's good !
 Athena               INFO including file "AthenaCommon/runbatch.py"
 ApplicationMgr    SUCCESS 
 ====================================================================================================================================
                                                    Welcome to ApplicationMgr (GaudiCoreSvc v34r0)
-                                          running on aibuild028.cern.ch on Fri Sep 11 23:48:40 20?0
+                                          running on 58dd451bc47f on Tue Oct  6 16:04:55 20?0
 ====================================================================================================================================
 ApplicationMgr       INFO Application Manager Configured successfully
 AthDictLoaderSvc     INFO in initialize...
@@ -30,9 +30,10 @@ PoolSvc             DEBUG Service base class initialized successfully
 PoolSvc              INFO io_register[PoolSvc](xmlcatalog_file:Catalog2.xml) [ok]
 PoolSvc              INFO Set connectionsvc retry/timeout/IDLE timeout to  'ConnectionRetrialPeriod':300/ 'ConnectionRetrialTimeOut':3600/ 'ConnectionTimeOut':5 seconds with connection cleanup disabled
 PoolSvc              INFO Frontier compression level set to 5
-DBReplicaSvc         INFO Frontier server at (serverurl=http://atlasfrontier-local.cern.ch:8000/atlr)(serverurl=http://atlasfrontier-ai.cern.ch:8000/atlr)(serverurl=http://ccfrontier.in2p3.fr:23128/ccin2p3-AtlasFrontier)(proxyurl=http://ca-proxy-atlas.cern.ch:3128)(proxyurl=http://ca-proxy-meyrin.cern.ch:3128)(proxyurl=http://ca-proxy.cern.ch:3128)(proxyurl=http://atlasbpfrontier.cern.ch:3127)(proxyurl=http://atlasbpfrontier.fnal.gov:3127) will be considered for COOL data
-DBReplicaSvc         INFO Read replica configuration from /cvmfs/atlas-nightlies.cern.ch/repo/sw/master_Athena_x86_64-centos7-gcc8-opt/20?0-09-10T2101/Athena/22.0.18/InstallArea/x86_64-centos7-gcc8-opt/share/dbreplica.config
-DBReplicaSvc         INFO Total of 10 servers found for host aibuild028.cern.ch [ATLF ATLAS_COOLPROD atlas_dd ATLAS_CONFIG INT8R INTR ATONR_COOL ATONR_CONF DEVDB11 ATLF ]
+DBReplicaSvc         INFO Frontier server at (serverurl=http://atlasfrontier-ai.cern.ch:8000/atlr)(serverurl=http://frontier-atlas.lcg.triumf.ca:3128/ATLAS_frontier)(serverurl=http://ccfrontier.in2p3.fr:23128/ccin2p3-AtlasFrontier)(proxyurl=http://atlasbpfrontier.cern.ch:3127)(proxyurl=http://atlasbpfrontier.fnal.gov:3127) will be considered for COOL data
+DBReplicaSvc         INFO Read replica configuration from /cvmfs/atlas-nightlies.cern.ch/repo/sw/master_Athena_x86_64-centos7-gcc8-opt/20?0-10-05T2101/Athena/22.0.19/InstallArea/x86_64-centos7-gcc8-opt/share/dbreplica.config
+DBReplicaSvc         INFO No specific match for domain found - use default fallback
+DBReplicaSvc         INFO Total of 2 servers found for host 58dd451bc47f [ATLF atlas_dd ]
 PoolSvc              INFO Successfully setup replica sorting algorithm
 PoolSvc             DEBUG OutputLevel is 2
 PoolSvc              INFO Setting up APR FileCatalog and Streams
@@ -68,9 +69,11 @@ Stream1.Stream1...  DEBUG Property update for OutputLevel : new value = 2
 Stream1.Stream1...   INFO Initializing Stream1.Stream1Tool - package version AthenaServices-00-00-00
 Stream1.Stream1...  DEBUG Property update for OutputLevel : new value = 2
 Stream1.Stream1...   INFO Initializing Stream1.Stream1_MakeEventStreamInfo - package version OutputStreamAthenaPool-00-00-00
+Stream1.Stream1...  DEBUG Property update for OutputLevel : new value = 2
 Stream1.Thinnin...  DEBUG Property update for OutputLevel : new value = 2
-Stream1              INFO Found HelperTools = PrivateToolHandleArray(['MakeEventStreamInfo/Stream1_MakeEventStreamInfo','Athena::ThinningCacheTool/ThinningCacheTool_Stream1'])
+Stream1              INFO Found HelperTools = PrivateToolHandleArray(['MakeEventStreamInfo/Stream1_MakeEventStreamInfo','xAODMaker::EventFormatStreamHelperTool/Stream1_MakeEventFormat','Athena::ThinningCacheTool/ThinningCacheTool_Stream1'])
 Stream1              INFO Data output: ROOTTREE:SimplePoolFile5.root
+ClassIDSvc           INFO  getRegistryEntries: read 171 CLIDRegistry entries for module ALL
 Stream1              INFO I/O reinitialization...
 Stream1.Stream1...  DEBUG Property update for OutputLevel : new value = 2
 Stream1             DEBUG End initialize
@@ -78,6 +81,7 @@ Stream1             DEBUG input handles: 0
 Stream1             DEBUG output handles: 2
 Stream1             DEBUG Registering all Tools in ToolHandleArray HelperTools
 Stream1             DEBUG Adding private ToolHandle tool Stream1.Stream1_MakeEventStreamInfo (MakeEventStreamInfo)
+Stream1             DEBUG Adding private ToolHandle tool Stream1.Stream1_MakeEventFormat (xAODMaker::EventFormatStreamHelperTool)
 Stream1             DEBUG Adding private ToolHandle tool Stream1.ThinningCacheTool_Stream1 (Athena::ThinningCacheTool)
 Stream1             DEBUG Adding private ToolHandle tool Stream1.Stream1Tool (AthenaOutputStreamTool)
 Stream1             DEBUG Data Deps for Stream1
@@ -912,7 +916,7 @@ WriteCond            INFO in finalize()
 WriteCond            INFO Pedestal x = 193136 y = -5580.01 z = -175208 string = <..........o..........o..........o..........o..........o..........o..........o..........o..........o..........o..........o..........o..........o..........o..........o..........o..........o..........o..........o..........o>
 Stream1             DEBUG AthenaOutputStream Stream1 ::stop()
 Stream1             DEBUG slot 0  handle() incident type: MetaDataStop
-Stream1             DEBUG metadataItemList: [EventStreamInfo#Stream1, IOVMetaDataContainer#*, ExampleHitContainer#PedestalWriteData]
+Stream1             DEBUG metadataItemList: [EventStreamInfo#Stream1, IOVMetaDataContainer#*, xAOD::EventFormat#EventFormatStream1, ExampleHitContainer#PedestalWriteData]
 Stream1             DEBUG addItemObjects(9102,"PedestalWriteData") called
 Stream1             DEBUG            Key:PedestalWriteData
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
@@ -923,6 +927,11 @@ Stream1             DEBUG            Key:Stream1
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
 Stream1             DEBUG  Added object 167728019,"Stream1"
+Stream1             DEBUG addItemObjects(243004407,"EventFormatStream1") called
+Stream1             DEBUG            Key:EventFormatStream1
+Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
+Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+Stream1             DEBUG  Added object 243004407,"EventFormatStream1"
 Stream1             DEBUG addItemObjects(1316383046,"*") called
 Stream1             DEBUG            Key:*
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
@@ -947,21 +956,33 @@ SimplePoolFile5...  DEBUG ---->ClassID:????
 SimplePoolFile5...  DEBUG --->Adding Shape[9 , ????]:  [1 Column(s)] 
 SimplePoolFile5...  DEBUG ---->Class:EventStreamInfo_p3
 SimplePoolFile5...  DEBUG ---->[0]:EventStreamInfo_p3 Typ:EventStreamInfo_p3 [21] Size:0 Offset:0 #Elements:1
+StorageSvc           INFO Building shape according to reflection information using shape ID for:
+StorageSvc           INFO xAOD::EventFormat_v1 [????]
+SimplePoolFile5...  DEBUG --> Access   DbContainer  CREA/UPDA [ROOT_Tree] MetaData(xAOD::EventFormat_v1/EventFormatStream1)
+MetaData(xAOD::...  DEBUG Opening
+MetaData(xAOD::...  DEBUG    attributes# = 1
+MetaData(xAOD::...  DEBUG Branch container 'xAOD::EventFormat_v1_EventFormatStream1'
+MetaData(xAOD::...  DEBUG Opened container MetaData(xAOD::EventFormat_v1/EventFormatStream1) of type ROOT_Tree
+SimplePoolFile5...  DEBUG --->Adding Assoc :????/MetaData(xAOD::EventFormat_v1/EventFormatStream1) [20?]  (16 , ffffffff)
+SimplePoolFile5...  DEBUG ---->ClassID:????
+SimplePoolFile5...  DEBUG --->Adding Shape[10 , ????]:  [1 Column(s)] 
+SimplePoolFile5...  DEBUG ---->Class:xAOD::EventFormat_v1
+SimplePoolFile5...  DEBUG ---->[0]:xAOD::EventFormat_v1 Typ:xAOD::EventFormat_v1 [21] Size:0 Offset:0 #Elements:1
 SimplePoolFile5...  DEBUG --> Access   DbContainer  CREA/UPDA [ROOT_Tree] MetaDataHdr(DataHeader)
 MetaDataHdr(Dat...  DEBUG Opening
 MetaDataHdr(Dat...  DEBUG    attributes# = 1
 MetaDataHdr(Dat...  DEBUG Branch container 'DataHeader'
 MetaDataHdr(Dat...  DEBUG Opened container MetaDataHdr(DataHeader) of type ROOT_Tree
-SimplePoolFile5...  DEBUG --->Adding Assoc :????/MetaDataHdr(DataHeader) [20?]  (16 , ffffffff)
+SimplePoolFile5...  DEBUG --->Adding Assoc :????/MetaDataHdr(DataHeader) [20?]  (17 , ffffffff)
 SimplePoolFile5...  DEBUG ---->ClassID:????
 SimplePoolFile5...  DEBUG --> Access   DbContainer  CREA/UPDA [ROOT_Tree] MetaDataHdrForm(DataHeaderForm)
 MetaDataHdrForm...  DEBUG Opening
 MetaDataHdrForm...  DEBUG    attributes# = 1
 MetaDataHdrForm...  DEBUG Branch container 'DataHeaderForm'
 MetaDataHdrForm...  DEBUG Opened container MetaDataHdrForm(DataHeaderForm) of type ROOT_Tree
-SimplePoolFile5...  DEBUG --->Adding Assoc :????/MetaDataHdrForm(DataHeaderForm) [20?]  (17 , ffffffff)
+SimplePoolFile5...  DEBUG --->Adding Assoc :????/MetaDataHdrForm(DataHeaderForm) [20?]  (18 , ffffffff)
 SimplePoolFile5...  DEBUG ---->ClassID:????
-ClassIDSvc           INFO  getRegistryEntries: read 7 CLIDRegistry entries for module ALL
+ClassIDSvc           INFO  getRegistryEntries: read 14 CLIDRegistry entries for module ALL
 Stream1              INFO Metadata records written: 21
 Stream1             DEBUG Leaving incident handler for MetaDataStop
 Domain[ROOT_All]     INFO >   Deaccess DbDomain     READ      [ROOT_All] 
@@ -982,11 +1003,11 @@ ToolSvc              INFO Removing all tools created by ToolSvc
 *****Chrono*****     INFO ****************************************************************************************************
 *****Chrono*****     INFO  The Final CPU consumption ( Chrono ) Table (ordered)
 *****Chrono*****     INFO ****************************************************************************************************
-cRepR_ALL            INFO Time User   : Tot=   10 [ms] Ave/Min/Max=  0.0307(+-   0.553)/       0/      10 [ms] #=326
-commitOutput         INFO Time User   : Tot=   20 [ms] Ave/Min/Max=   0.952(+-    2.94)/       0/      10 [ms] #= 21
-fRep_ALL             INFO Time User   : Tot=   40 [ms] Ave/Min/Max=   0.635(+-    2.44)/       0/      10 [ms] #= 63
-cRep_ALL             INFO Time User   : Tot=   40 [ms] Ave/Min/Max=   0.635(+-    3.02)/       0/      20 [ms] #= 63
-ChronoStatSvc        INFO Time User   : Tot=  350 [ms]  #=  1
+commitOutput         INFO Time User   : Tot=    0 [us] Ave/Min/Max=       0(+-       0)/       0/       0 [us] #= 21
+cRep_ALL             INFO Time User   : Tot=   20 [ms] Ave/Min/Max=   0.312(+-    1.74)/       0/      10 [ms] #= 64
+cRepR_ALL            INFO Time User   : Tot=   20 [ms] Ave/Min/Max=  0.0612(+-    0.78)/       0/      10 [ms] #=327
+fRep_ALL             INFO Time User   : Tot=   30 [ms] Ave/Min/Max=   0.469(+-    2.11)/       0/      10 [ms] #= 64
+ChronoStatSvc        INFO Time User   : Tot=  190 [ms]  #=  1
 *****Chrono*****     INFO ****************************************************************************************************
 ChronoStatSvc.f...   INFO  Service finalized successfully 
 ApplicationMgr       INFO Application Manager Finalized successfully
diff --git a/Database/AthenaPOOL/AthenaPoolExample/AthenaPoolExampleAlgorithms/share/AthenaPoolExample_Write.ref b/Database/AthenaPOOL/AthenaPoolExample/AthenaPoolExampleAlgorithms/share/AthenaPoolExample_Write.ref
index 5c1a51730493697ff5749ede37fb9b6717d117e5..2becbbbeeee7d3d1b5be6d9cce5d63a197ba714c 100644
--- a/Database/AthenaPOOL/AthenaPoolExample/AthenaPoolExampleAlgorithms/share/AthenaPoolExample_Write.ref
+++ b/Database/AthenaPOOL/AthenaPoolExample/AthenaPoolExampleAlgorithms/share/AthenaPoolExample_Write.ref
@@ -1,17 +1,17 @@
-Fri Sep 11 23:45:41 CEST 20?0
+Tue Oct  6 16:03:37 CEST 20?0
 Preloading tcmalloc_minimal.so
 Athena               INFO including file "AthenaCommon/Preparation.py"
 Athena               INFO including file "AthenaCommon/Atlas.UnixStandardJob.py"
 Athena               INFO executing ROOT6Setup
 Athena               INFO including file "AthenaCommon/Execution.py"
 Athena               INFO including file "AthenaPoolExampleAlgorithms/AthenaPoolExample_WriteJobOptions.py"
-Py:ConfigurableDb    INFO Read module info for 5568 configurables from 4 genConfDb files
+Py:ConfigurableDb    INFO Read module info for 5569 configurables from 4 genConfDb files
 Py:ConfigurableDb    INFO No duplicates have been found: that's good !
 Athena               INFO including file "AthenaCommon/runbatch.py"
 ApplicationMgr    SUCCESS 
 ====================================================================================================================================
                                                    Welcome to ApplicationMgr (GaudiCoreSvc v34r0)
-                                          running on aibuild028.cern.ch on Fri Sep 11 23:45:54 20?0
+                                          running on 58dd451bc47f on Tue Oct  6 16:03:42 20?0
 ====================================================================================================================================
 ApplicationMgr       INFO Application Manager Configured successfully
 AthDictLoaderSvc     INFO in initialize...
@@ -30,9 +30,10 @@ PoolSvc             DEBUG Service base class initialized successfully
 PoolSvc              INFO io_register[PoolSvc](xmlcatalog_file:Catalog1.xml) [ok]
 PoolSvc              INFO Set connectionsvc retry/timeout/IDLE timeout to  'ConnectionRetrialPeriod':300/ 'ConnectionRetrialTimeOut':3600/ 'ConnectionTimeOut':5 seconds with connection cleanup disabled
 PoolSvc              INFO Frontier compression level set to 5
-DBReplicaSvc         INFO Frontier server at (serverurl=http://atlasfrontier-local.cern.ch:8000/atlr)(serverurl=http://atlasfrontier-ai.cern.ch:8000/atlr)(serverurl=http://ccfrontier.in2p3.fr:23128/ccin2p3-AtlasFrontier)(proxyurl=http://ca-proxy-atlas.cern.ch:3128)(proxyurl=http://ca-proxy-meyrin.cern.ch:3128)(proxyurl=http://ca-proxy.cern.ch:3128)(proxyurl=http://atlasbpfrontier.cern.ch:3127)(proxyurl=http://atlasbpfrontier.fnal.gov:3127) will be considered for COOL data
-DBReplicaSvc         INFO Read replica configuration from /cvmfs/atlas-nightlies.cern.ch/repo/sw/master_Athena_x86_64-centos7-gcc8-opt/20?0-09-10T2101/Athena/22.0.18/InstallArea/x86_64-centos7-gcc8-opt/share/dbreplica.config
-DBReplicaSvc         INFO Total of 10 servers found for host aibuild028.cern.ch [ATLF ATLAS_COOLPROD atlas_dd ATLAS_CONFIG INT8R INTR ATONR_COOL ATONR_CONF DEVDB11 ATLF ]
+DBReplicaSvc         INFO Frontier server at (serverurl=http://atlasfrontier-ai.cern.ch:8000/atlr)(serverurl=http://frontier-atlas.lcg.triumf.ca:3128/ATLAS_frontier)(serverurl=http://ccfrontier.in2p3.fr:23128/ccin2p3-AtlasFrontier)(proxyurl=http://atlasbpfrontier.cern.ch:3127)(proxyurl=http://atlasbpfrontier.fnal.gov:3127) will be considered for COOL data
+DBReplicaSvc         INFO Read replica configuration from /cvmfs/atlas-nightlies.cern.ch/repo/sw/master_Athena_x86_64-centos7-gcc8-opt/20?0-10-05T2101/Athena/22.0.19/InstallArea/x86_64-centos7-gcc8-opt/share/dbreplica.config
+DBReplicaSvc         INFO No specific match for domain found - use default fallback
+DBReplicaSvc         INFO Total of 2 servers found for host 58dd451bc47f [ATLF atlas_dd ]
 PoolSvc              INFO Successfully setup replica sorting algorithm
 PoolSvc             DEBUG OutputLevel is 2
 PoolSvc              INFO Setting up APR FileCatalog and Streams
@@ -69,9 +70,11 @@ Stream1.Stream1...  DEBUG Property update for OutputLevel : new value = 2
 Stream1.Stream1...   INFO Initializing Stream1.Stream1Tool - package version AthenaServices-00-00-00
 Stream1.Stream1...  DEBUG Property update for OutputLevel : new value = 2
 Stream1.Stream1...   INFO Initializing Stream1.Stream1_MakeEventStreamInfo - package version OutputStreamAthenaPool-00-00-00
+Stream1.Stream1...  DEBUG Property update for OutputLevel : new value = 2
 Stream1.Thinnin...  DEBUG Property update for OutputLevel : new value = 2
-Stream1              INFO Found HelperTools = PrivateToolHandleArray(['MakeEventStreamInfo/Stream1_MakeEventStreamInfo','Athena::ThinningCacheTool/ThinningCacheTool_Stream1'])
+Stream1              INFO Found HelperTools = PrivateToolHandleArray(['MakeEventStreamInfo/Stream1_MakeEventStreamInfo','xAODMaker::EventFormatStreamHelperTool/Stream1_MakeEventFormat','Athena::ThinningCacheTool/ThinningCacheTool_Stream1'])
 Stream1              INFO Data output: SimplePoolFile1.root
+ClassIDSvc           INFO  getRegistryEntries: read 171 CLIDRegistry entries for module ALL
 Stream1              INFO I/O reinitialization...
 Stream1.Stream1...  DEBUG Property update for OutputLevel : new value = 2
 Stream1             DEBUG End initialize
@@ -79,6 +82,7 @@ Stream1             DEBUG input handles: 0
 Stream1             DEBUG output handles: 2
 Stream1             DEBUG Registering all Tools in ToolHandleArray HelperTools
 Stream1             DEBUG Adding private ToolHandle tool Stream1.Stream1_MakeEventStreamInfo (MakeEventStreamInfo)
+Stream1             DEBUG Adding private ToolHandle tool Stream1.Stream1_MakeEventFormat (xAODMaker::EventFormatStreamHelperTool)
 Stream1             DEBUG Adding private ToolHandle tool Stream1.ThinningCacheTool_Stream1 (Athena::ThinningCacheTool)
 Stream1             DEBUG Adding private ToolHandle tool Stream1.Stream1Tool (AthenaOutputStreamTool)
 Stream1             DEBUG Data Deps for Stream1
@@ -102,8 +106,9 @@ Stream2.Stream2...  DEBUG Property update for OutputLevel : new value = 2
 Stream2.Stream2...   INFO Initializing Stream2.Stream2Tool - package version AthenaServices-00-00-00
 Stream2.Stream2...  DEBUG Property update for OutputLevel : new value = 2
 Stream2.Stream2...   INFO Initializing Stream2.Stream2_MakeEventStreamInfo - package version OutputStreamAthenaPool-00-00-00
+Stream2.Stream2...  DEBUG Property update for OutputLevel : new value = 2
 Stream2.Thinnin...  DEBUG Property update for OutputLevel : new value = 2
-Stream2              INFO Found HelperTools = PrivateToolHandleArray(['MakeEventStreamInfo/Stream2_MakeEventStreamInfo','Athena::ThinningCacheTool/ThinningCacheTool_Stream2'])
+Stream2              INFO Found HelperTools = PrivateToolHandleArray(['MakeEventStreamInfo/Stream2_MakeEventStreamInfo','xAODMaker::EventFormatStreamHelperTool/Stream2_MakeEventFormat','Athena::ThinningCacheTool/ThinningCacheTool_Stream2'])
 Stream2              INFO Data output: SimplePoolFile2.root
 Stream2              INFO I/O reinitialization...
 Stream2.Stream2...  DEBUG Property update for OutputLevel : new value = 2
@@ -112,6 +117,7 @@ Stream2             DEBUG input handles: 0
 Stream2             DEBUG output handles: 2
 Stream2             DEBUG Registering all Tools in ToolHandleArray HelperTools
 Stream2             DEBUG Adding private ToolHandle tool Stream2.Stream2_MakeEventStreamInfo (MakeEventStreamInfo)
+Stream2             DEBUG Adding private ToolHandle tool Stream2.Stream2_MakeEventFormat (xAODMaker::EventFormatStreamHelperTool)
 Stream2             DEBUG Adding private ToolHandle tool Stream2.ThinningCacheTool_Stream2 (Athena::ThinningCacheTool)
 Stream2             DEBUG Adding private ToolHandle tool Stream2.Stream2Tool (AthenaOutputStreamTool)
 Stream2             DEBUG Data Deps for Stream2
@@ -122,7 +128,7 @@ Stream2             DEBUG Data Deps for Stream2
 DecisionSvc          INFO Inserting stream: Stream3 with no Algs
 Stream3.Stream3...   INFO Initializing Stream3.Stream3Tool - package version AthenaServices-00-00-00
 Stream3.Stream3...   INFO Initializing Stream3.Stream3_MakeEventStreamInfo - package version OutputStreamAthenaPool-00-00-00
-Stream3              INFO Found HelperTools = PrivateToolHandleArray(['MakeEventStreamInfo/Stream3_MakeEventStreamInfo','Athena::ThinningCacheTool/ThinningCacheTool_Stream3'])
+Stream3              INFO Found HelperTools = PrivateToolHandleArray(['MakeEventStreamInfo/Stream3_MakeEventStreamInfo','xAODMaker::EventFormatStreamHelperTool/Stream3_MakeEventFormat','Athena::ThinningCacheTool/ThinningCacheTool_Stream3'])
 Stream3              INFO Data output: EmptyPoolFile.root
 Stream3              INFO I/O reinitialization...
 EventSelector        INFO  Enter McEventSelector Initialization 
@@ -1161,12 +1167,17 @@ AthenaEventLoopMgr   INFO   ===>>>  done processing event #19, run #1 20 events
 Stream1             DEBUG AthenaOutputStream Stream1 ::stop()
 Stream2             DEBUG AthenaOutputStream Stream2 ::stop()
 Stream1             DEBUG slot 0  handle() incident type: MetaDataStop
-Stream1             DEBUG metadataItemList: [EventStreamInfo#Stream1, IOVMetaDataContainer#*]
+Stream1             DEBUG metadataItemList: [EventStreamInfo#Stream1, IOVMetaDataContainer#*, xAOD::EventFormat#EventFormatStream1]
 Stream1             DEBUG addItemObjects(167728019,"Stream1") called
 Stream1             DEBUG            Key:Stream1
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
 Stream1             DEBUG  Added object 167728019,"Stream1"
+Stream1             DEBUG addItemObjects(243004407,"EventFormatStream1") called
+Stream1             DEBUG            Key:EventFormatStream1
+Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
+Stream1             DEBUG      Comp Attr 0 with 15 mantissa bits.
+Stream1             DEBUG  Added object 243004407,"EventFormatStream1"
 Stream1             DEBUG addItemObjects(1316383046,"*") called
 Stream1             DEBUG            Key:*
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
@@ -1184,30 +1195,47 @@ SimplePoolFile1...  DEBUG ---->ClassID:????
 SimplePoolFile1...  DEBUG --->Adding Shape[6 , ????]:  [1 Column(s)] 
 SimplePoolFile1...  DEBUG ---->Class:EventStreamInfo_p3
 SimplePoolFile1...  DEBUG ---->[0]:EventStreamInfo_p3 Typ:EventStreamInfo_p3 [21] Size:0 Offset:0 #Elements:1
+StorageSvc           INFO Building shape according to reflection information using shape ID for:
+StorageSvc           INFO xAOD::EventFormat_v1 [????]
+SimplePoolFile1...  DEBUG --> Access   DbContainer  CREA/UPDA [ROOT_Tree] MetaData(xAOD::EventFormat_v1/EventFormatStream1)
+MetaData(xAOD::...  DEBUG Opening
+MetaData(xAOD::...  DEBUG    attributes# = 1
+MetaData(xAOD::...  DEBUG Branch container 'xAOD::EventFormat_v1_EventFormatStream1'
+MetaData(xAOD::...  DEBUG Opened container MetaData(xAOD::EventFormat_v1/EventFormatStream1) of type ROOT_Tree
+SimplePoolFile1...  DEBUG --->Adding Assoc :????/MetaData(xAOD::EventFormat_v1/EventFormatStream1) [20?]  (c , ffffffff)
+SimplePoolFile1...  DEBUG ---->ClassID:????
+SimplePoolFile1...  DEBUG --->Adding Shape[7 , ????]:  [1 Column(s)] 
+SimplePoolFile1...  DEBUG ---->Class:xAOD::EventFormat_v1
+SimplePoolFile1...  DEBUG ---->[0]:xAOD::EventFormat_v1 Typ:xAOD::EventFormat_v1 [21] Size:0 Offset:0 #Elements:1
 SimplePoolFile1...  DEBUG --> Access   DbContainer  CREA/UPDA [ROOT_Tree] MetaDataHdr(DataHeader)
 MetaDataHdr(Dat...  DEBUG Opening
 MetaDataHdr(Dat...  DEBUG    attributes# = 1
 MetaDataHdr(Dat...  DEBUG Branch container 'DataHeader'
 MetaDataHdr(Dat...  DEBUG Opened container MetaDataHdr(DataHeader) of type ROOT_Tree
-SimplePoolFile1...  DEBUG --->Adding Assoc :????/MetaDataHdr(DataHeader) [20?]  (c , ffffffff)
+SimplePoolFile1...  DEBUG --->Adding Assoc :????/MetaDataHdr(DataHeader) [20?]  (d , ffffffff)
 SimplePoolFile1...  DEBUG ---->ClassID:????
 SimplePoolFile1...  DEBUG --> Access   DbContainer  CREA/UPDA [ROOT_Tree] MetaDataHdrForm(DataHeaderForm)
 MetaDataHdrForm...  DEBUG Opening
 MetaDataHdrForm...  DEBUG    attributes# = 1
 MetaDataHdrForm...  DEBUG Branch container 'DataHeaderForm'
 MetaDataHdrForm...  DEBUG Opened container MetaDataHdrForm(DataHeaderForm) of type ROOT_Tree
-SimplePoolFile1...  DEBUG --->Adding Assoc :????/MetaDataHdrForm(DataHeaderForm) [20?]  (d , ffffffff)
+SimplePoolFile1...  DEBUG --->Adding Assoc :????/MetaDataHdrForm(DataHeaderForm) [20?]  (e , ffffffff)
 SimplePoolFile1...  DEBUG ---->ClassID:????
-ClassIDSvc           INFO  getRegistryEntries: read 7 CLIDRegistry entries for module ALL
+ClassIDSvc           INFO  getRegistryEntries: read 14 CLIDRegistry entries for module ALL
 Stream1              INFO Metadata records written: 21
 Stream1             DEBUG Leaving incident handler for MetaDataStop
 Stream2             DEBUG slot 0  handle() incident type: MetaDataStop
-Stream2             DEBUG metadataItemList: [EventStreamInfo#Stream2, IOVMetaDataContainer#*]
+Stream2             DEBUG metadataItemList: [EventStreamInfo#Stream2, IOVMetaDataContainer#*, xAOD::EventFormat#EventFormatStream2]
 Stream2             DEBUG addItemObjects(167728019,"Stream2") called
 Stream2             DEBUG            Key:Stream2
 Stream2             DEBUG      Comp Attr 0 with 7 mantissa bits.
 Stream2             DEBUG      Comp Attr 0 with 15 mantissa bits.
 Stream2             DEBUG  Added object 167728019,"Stream2"
+Stream2             DEBUG addItemObjects(243004407,"EventFormatStream2") called
+Stream2             DEBUG            Key:EventFormatStream2
+Stream2             DEBUG      Comp Attr 0 with 7 mantissa bits.
+Stream2             DEBUG      Comp Attr 0 with 15 mantissa bits.
+Stream2             DEBUG  Added object 243004407,"EventFormatStream2"
 Stream2             DEBUG addItemObjects(1316383046,"*") called
 Stream2             DEBUG            Key:*
 Stream2             DEBUG      Comp Attr 0 with 7 mantissa bits.
@@ -1223,19 +1251,29 @@ SimplePoolFile2...  DEBUG ---->ClassID:????
 SimplePoolFile2...  DEBUG --->Adding Shape[5 , ????]:  [1 Column(s)] 
 SimplePoolFile2...  DEBUG ---->Class:EventStreamInfo_p3
 SimplePoolFile2...  DEBUG ---->[0]:EventStreamInfo_p3 Typ:EventStreamInfo_p3 [21] Size:0 Offset:0 #Elements:1
+SimplePoolFile2...  DEBUG --> Access   DbContainer  CREA/UPDA [ROOT_Tree] MetaData(xAOD::EventFormat_v1/EventFormatStream2)
+MetaData(xAOD::...  DEBUG Opening
+MetaData(xAOD::...  DEBUG    attributes# = 1
+MetaData(xAOD::...  DEBUG Branch container 'xAOD::EventFormat_v1_EventFormatStream2'
+MetaData(xAOD::...  DEBUG Opened container MetaData(xAOD::EventFormat_v1/EventFormatStream2) of type ROOT_Tree
+SimplePoolFile2...  DEBUG --->Adding Assoc :????/MetaData(xAOD::EventFormat_v1/EventFormatStream2) [20?]  (b , ffffffff)
+SimplePoolFile2...  DEBUG ---->ClassID:????
+SimplePoolFile2...  DEBUG --->Adding Shape[6 , ????]:  [1 Column(s)] 
+SimplePoolFile2...  DEBUG ---->Class:xAOD::EventFormat_v1
+SimplePoolFile2...  DEBUG ---->[0]:xAOD::EventFormat_v1 Typ:xAOD::EventFormat_v1 [21] Size:0 Offset:0 #Elements:1
 SimplePoolFile2...  DEBUG --> Access   DbContainer  CREA/UPDA [ROOT_Tree] MetaDataHdr(DataHeader)
 MetaDataHdr(Dat...  DEBUG Opening
 MetaDataHdr(Dat...  DEBUG    attributes# = 1
 MetaDataHdr(Dat...  DEBUG Branch container 'DataHeader'
 MetaDataHdr(Dat...  DEBUG Opened container MetaDataHdr(DataHeader) of type ROOT_Tree
-SimplePoolFile2...  DEBUG --->Adding Assoc :????/MetaDataHdr(DataHeader) [20?]  (b , ffffffff)
+SimplePoolFile2...  DEBUG --->Adding Assoc :????/MetaDataHdr(DataHeader) [20?]  (c , ffffffff)
 SimplePoolFile2...  DEBUG ---->ClassID:????
 SimplePoolFile2...  DEBUG --> Access   DbContainer  CREA/UPDA [ROOT_Tree] MetaDataHdrForm(DataHeaderForm)
 MetaDataHdrForm...  DEBUG Opening
 MetaDataHdrForm...  DEBUG    attributes# = 1
 MetaDataHdrForm...  DEBUG Branch container 'DataHeaderForm'
 MetaDataHdrForm...  DEBUG Opened container MetaDataHdrForm(DataHeaderForm) of type ROOT_Tree
-SimplePoolFile2...  DEBUG --->Adding Assoc :????/MetaDataHdrForm(DataHeaderForm) [20?]  (c , ffffffff)
+SimplePoolFile2...  DEBUG --->Adding Assoc :????/MetaDataHdrForm(DataHeaderForm) [20?]  (d , ffffffff)
 SimplePoolFile2...  DEBUG ---->ClassID:????
 Stream2              INFO Metadata records written: 21
 Stream2             DEBUG Leaving incident handler for MetaDataStop
@@ -1277,14 +1315,24 @@ EmptyPoolFile.root  DEBUG ---->ClassID:????
 EmptyPoolFile.root  DEBUG --->Adding Shape[0 , ????]:  [1 Column(s)] 
 EmptyPoolFile.root  DEBUG ---->Class:EventStreamInfo_p3
 EmptyPoolFile.root  DEBUG ---->[0]:EventStreamInfo_p3 Typ:EventStreamInfo_p3 [21] Size:0 Offset:0 #Elements:1
+EmptyPoolFile.root  DEBUG --> Access   DbContainer  CREA/UPDA [ROOT_Tree] MetaData(xAOD::EventFormat_v1/EventFormatStream3)
+MetaData(xAOD::...  DEBUG Opening
+MetaData(xAOD::...  DEBUG    attributes# = 1
+MetaData(xAOD::...  DEBUG Branch container 'xAOD::EventFormat_v1_EventFormatStream3'
+MetaData(xAOD::...  DEBUG Opened container MetaData(xAOD::EventFormat_v1/EventFormatStream3) of type ROOT_Tree
+EmptyPoolFile.root  DEBUG --->Adding Assoc :????/MetaData(xAOD::EventFormat_v1/EventFormatStream3) [20?]  (4 , ffffffff)
+EmptyPoolFile.root  DEBUG ---->ClassID:????
+EmptyPoolFile.root  DEBUG --->Adding Shape[1 , ????]:  [1 Column(s)] 
+EmptyPoolFile.root  DEBUG ---->Class:xAOD::EventFormat_v1
+EmptyPoolFile.root  DEBUG ---->[0]:xAOD::EventFormat_v1 Typ:xAOD::EventFormat_v1 [21] Size:0 Offset:0 #Elements:1
 EmptyPoolFile.root  DEBUG --> Access   DbContainer  CREA/UPDA [ROOT_Tree] MetaDataHdr(DataHeader)
 MetaDataHdr(Dat...  DEBUG Opening
 MetaDataHdr(Dat...  DEBUG    attributes# = 1
 MetaDataHdr(Dat...  DEBUG Branch container 'DataHeader'
 MetaDataHdr(Dat...  DEBUG Opened container MetaDataHdr(DataHeader) of type ROOT_Tree
-EmptyPoolFile.root  DEBUG --->Adding Assoc :????/MetaDataHdr(DataHeader) [20?]  (4 , ffffffff)
+EmptyPoolFile.root  DEBUG --->Adding Assoc :????/MetaDataHdr(DataHeader) [20?]  (5 , ffffffff)
 EmptyPoolFile.root  DEBUG ---->ClassID:????
-EmptyPoolFile.root  DEBUG --->Adding Shape[1 , ????]:  [1 Column(s)] 
+EmptyPoolFile.root  DEBUG --->Adding Shape[2 , ????]:  [1 Column(s)] 
 EmptyPoolFile.root  DEBUG ---->Class:DataHeader_p6
 EmptyPoolFile.root  DEBUG ---->[0]:DataHeader_p6 Typ:DataHeader_p6 [21] Size:0 Offset:0 #Elements:1
 EmptyPoolFile.root  DEBUG --> Access   DbContainer  CREA/UPDA [ROOT_Tree] MetaDataHdrForm(DataHeaderForm)
@@ -1292,9 +1340,9 @@ MetaDataHdrForm...  DEBUG Opening
 MetaDataHdrForm...  DEBUG    attributes# = 1
 MetaDataHdrForm...  DEBUG Branch container 'DataHeaderForm'
 MetaDataHdrForm...  DEBUG Opened container MetaDataHdrForm(DataHeaderForm) of type ROOT_Tree
-EmptyPoolFile.root  DEBUG --->Adding Assoc :????/MetaDataHdrForm(DataHeaderForm) [20?]  (5 , ffffffff)
+EmptyPoolFile.root  DEBUG --->Adding Assoc :????/MetaDataHdrForm(DataHeaderForm) [20?]  (6 , ffffffff)
 EmptyPoolFile.root  DEBUG ---->ClassID:????
-EmptyPoolFile.root  DEBUG --->Adding Shape[2 , ????]:  [1 Column(s)] 
+EmptyPoolFile.root  DEBUG --->Adding Shape[3 , ????]:  [1 Column(s)] 
 EmptyPoolFile.root  DEBUG ---->Class:DataHeaderForm_p6
 EmptyPoolFile.root  DEBUG ---->[0]:DataHeaderForm_p6 Typ:DataHeaderForm_p6 [21] Size:0 Offset:0 #Elements:1
 PoolSvc             DEBUG Failed to get ContainerHandle to set POOL property.
@@ -1329,11 +1377,11 @@ ToolSvc              INFO Removing all tools created by ToolSvc
 *****Chrono*****     INFO ****************************************************************************************************
 *****Chrono*****     INFO  The Final CPU consumption ( Chrono ) Table (ordered)
 *****Chrono*****     INFO ****************************************************************************************************
-commitOutput         INFO Time User   : Tot=   10 [ms] Ave/Min/Max=   0.233(+-    1.51)/       0/      10 [ms] #= 43
-cRepR_ALL            INFO Time User   : Tot=   20 [ms] Ave/Min/Max=  0.0735(+-   0.854)/       0/      10 [ms] #=272
-cRep_ALL             INFO Time User   : Tot=   50 [ms] Ave/Min/Max=   0.472(+-    2.88)/       0/      20 [ms] #=106
-fRep_ALL             INFO Time User   : Tot=   80 [ms] Ave/Min/Max=   0.755(+-    2.98)/       0/      20 [ms] #=106
-ChronoStatSvc        INFO Time User   : Tot= 0.51  [s]  #=  1
+commitOutput         INFO Time User   : Tot=    0 [us] Ave/Min/Max=       0(+-       0)/       0/       0 [us] #= 43
+cRep_ALL             INFO Time User   : Tot=   20 [ms] Ave/Min/Max=   0.183(+-    1.34)/       0/      10 [ms] #=109
+cRepR_ALL            INFO Time User   : Tot=   30 [ms] Ave/Min/Max=   0.109(+-    1.04)/       0/      10 [ms] #=275
+fRep_ALL             INFO Time User   : Tot=   40 [ms] Ave/Min/Max=   0.367(+-    1.88)/       0/      10 [ms] #=109
+ChronoStatSvc        INFO Time User   : Tot=  210 [ms]  #=  1
 *****Chrono*****     INFO ****************************************************************************************************
 ChronoStatSvc.f...   INFO  Service finalized successfully 
 ApplicationMgr       INFO Application Manager Finalized successfully