diff --git a/Database/AthenaPOOL/AthenaPoolExample/AthenaPoolExampleAlgorithms/share/AthenaPoolExample_Concat.ref b/Database/AthenaPOOL/AthenaPoolExample/AthenaPoolExampleAlgorithms/share/AthenaPoolExample_Concat.ref
index 3fe24c128795f529731245b05a12d96ba6aaec8a..243c55197beddb574cde2307ebf0c9f517d1beb2 100644
--- a/Database/AthenaPOOL/AthenaPoolExample/AthenaPoolExampleAlgorithms/share/AthenaPoolExample_Concat.ref
+++ b/Database/AthenaPOOL/AthenaPoolExample/AthenaPoolExampleAlgorithms/share/AthenaPoolExample_Concat.ref
@@ -1,15 +1,69 @@
+Fri Jan 29 08:06:33 CST 2021
+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 5477 configurables from 59 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 v35r0)
+                                          running on hepd-0003 on Fri Jan 29 08:06:41 2021
+====================================================================================================================================
 ApplicationMgr       INFO Application Manager Configured successfully
 AthDictLoaderSvc     INFO in initialize...
 AthDictLoaderSvc     INFO acquired Dso-registry
+ClassIDSvc           INFO  getRegistryEntries: read 3200 CLIDRegistry entries for module ALL
+AthenaEventLoopMgr   INFO Initializing AthenaEventLoopMgr - package version AthenaServices-00-00-00
+ClassIDSvc           INFO  getRegistryEntries: read 722 CLIDRegistry entries for module ALL
+ClassIDSvc           INFO  getRegistryEntries: read 591 CLIDRegistry entries for module ALL
+ClassIDSvc           INFO  getRegistryEntries: read 350 CLIDRegistry entries for module ALL
+xAODMaker::Even...   INFO Initializing - Package version: xAODEventInfoCnv-00-00-00
+xAODMaker::Even...   INFO Initializing - Package version: xAODEventInfoCnv-00-00-00
+MetaDataSvc          INFO Initializing MetaDataSvc - package version AthenaServices-00-00-00
+AthenaPoolCnvSvc    DEBUG Property update for OutputLevel : new value = 2
+PoolSvc             DEBUG Property update for OutputLevel : new value = 2
+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-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 /home/gemmeren/workarea/build/x86_64-centos7-gcc8-opt/share/dbreplica.config
+DBReplicaSvc         INFO Total of 1 servers found for host hepd-0003.lcrc.anl.gov [ATLF ]
+PoolSvc              INFO Successfully setup replica sorting algorithm
 PoolSvc             DEBUG OutputLevel is 2
+PoolSvc              INFO Setting up APR FileCatalog and Streams
+PoolSvc              INFO POOL WriteCatalog is xmlcatalog_file:Catalog1.xml
+DbSession            INFO     Open     DbSession    
+Domain[ROOT_All]     INFO >   Access   DbDomain     READ      [ROOT_All] 
 AthenaPoolCnvSvc    DEBUG Registering all Tools in ToolHandleArray OutputStreamingTool
+MetaDataSvc          INFO Found MetaDataTools = PublicToolHandleArray([])
+OutputStreamSeq...   INFO Initializing OutputStreamSequencerSvc - package version AthenaServices-00-00-00
+xAODMaker::Even...   INFO Beam conditions service not available
+xAODMaker::Even...   INFO Will not fill beam spot information into xAOD::EventInfo
+ClassIDSvc           INFO  getRegistryEntries: read 1151 CLIDRegistry entries for module ALL
+WriteData           DEBUG Property update for OutputLevel : new value = 2
 WriteData            INFO in initialize()
+WriteData           DEBUG input handles: 0
+WriteData           DEBUG output handles: 2
+WriteData           DEBUG Data Deps for WriteData
   + OUTPUT  ( 'ExampleHitContainer' , 'StoreGateSvc+MyHits' ) 
   + OUTPUT  ( 'ExampleHitContainer' , 'StoreGateSvc+PetersHits' ) 
+ReWriteData         DEBUG Property update for OutputLevel : new value = 2
 ReWriteData          INFO in initialize()
+ReWriteData         DEBUG input handles: 1
+ReWriteData         DEBUG output handles: 1
+ReWriteData         DEBUG Data Deps for ReWriteData
   + INPUT   ( 'ExampleHitContainer' , 'StoreGateSvc+MyHits' ) 
   + OUTPUT  ( 'ExampleTrackContainer' , 'StoreGateSvc+MyTracks' ) 
+Stream1             DEBUG Property update for OutputLevel : new value = 2
+Stream1.Stream1...  DEBUG Property update for OutputLevel : new value = 2
+Stream1.Stream1...  DEBUG Property update for OutputLevel : new value = 2
+Stream1.Stream1...  DEBUG Property update for OutputLevel : new value = 2
+Stream1.Stream1...  DEBUG Property update for OutputLevel : new value = 2
 Stream1             DEBUG In initialize 
 Stream1             DEBUG Found IDecisionSvc.
 DecisionSvc          INFO Inserting stream: Stream1 with no Algs
@@ -17,20 +71,41 @@ Stream1             DEBUG End initialize
 Stream1             DEBUG In initialize
 Stream1             DEBUG Found StoreGateSvc store.
 Stream1             DEBUG Found MetaDataStore store.
+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.FileMet...  DEBUG Property update for OutputLevel : new value = 2
+Stream1.FileMet...  DEBUG Initialising - Package version: xAODMetaDataCnv-00-00-00
 Stream1.FileMet...  DEBUG Creating new xAOD::FileMetaData object to fill
+Stream1.Thinnin...  DEBUG Property update for OutputLevel : new value = 2
+Stream1              INFO Found HelperTools = PrivateToolHandleArray(['MakeEventStreamInfo/Stream1_MakeEventStreamInfo','xAODMaker::EventFormatStreamHelperTool/Stream1_MakeEventFormat','xAODMaker::FileMetaDataCreatorTool/FileMetaDataCreatorTool','Athena::ThinningCacheTool/ThinningCacheTool_Stream1'])
 Stream1              INFO Data output: SimplePoolFile1.root
-Stream1              INFO ../O reinitialization...
+Stream1              INFO I/O reinitialization...
+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.FileMetaDataCreatorTool (xAODMaker::FileMetaDataCreatorTool)
+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
   + INPUT   ( 'AthenaAttributeList' , 'StoreGateSvc+SimpleTag' ) 
   + OUTPUT  ( 'DataHeader' , 'StoreGateSvc+Stream1' ) 
   + OUTPUT  ( 'SG::CompressionInfo' , 'StoreGateSvc+CompressionInfo_Stream1' ) 
   + OUTPUT  ( 'SG::SelectionVetoes' , 'StoreGateSvc+SelectionVetoes_Stream1' ) 
+MakeInputDataHe...   INFO Initializing MakeInputDataHeader - package version OutputStreamAthenaPool-00-00-00
 MakeInputDataHe...   INFO Name of Stream to be made Input: Stream1
+ClassIDSvc           INFO  getRegistryEntries: read 661 CLIDRegistry entries for module ALL
+Stream2             DEBUG Property update for OutputLevel : new value = 2
+Stream2.Stream2...  DEBUG Property update for OutputLevel : new value = 2
+Stream2.Stream2...  DEBUG Property update for OutputLevel : new value = 2
+Stream2.Stream2...  DEBUG Property update for OutputLevel : new value = 2
+Stream2.Stream2...  DEBUG Property update for OutputLevel : new value = 2
 Stream2             DEBUG In initialize 
 Stream2             DEBUG Found IDecisionSvc.
 DecisionSvc          INFO Inserting stream: Stream2 with no Algs
@@ -38,16 +113,30 @@ Stream2             DEBUG End initialize
 Stream2             DEBUG In initialize
 Stream2             DEBUG Found StoreGateSvc store.
 Stream2             DEBUG Found MetaDataStore store.
+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.FileMet...  DEBUG Property update for OutputLevel : new value = 2
+Stream2.FileMet...  DEBUG Initialising - Package version: xAODMetaDataCnv-00-00-00
 Stream2.FileMet...  DEBUG Creating new xAOD::FileMetaData object to fill
+Stream2.Thinnin...  DEBUG Property update for OutputLevel : new value = 2
+Stream2              INFO Found HelperTools = PrivateToolHandleArray(['MakeEventStreamInfo/Stream2_MakeEventStreamInfo','xAODMaker::EventFormatStreamHelperTool/Stream2_MakeEventFormat','xAODMaker::FileMetaDataCreatorTool/FileMetaDataCreatorTool','Athena::ThinningCacheTool/ThinningCacheTool_Stream2'])
 Stream2              INFO Data output: SimplePoolFile3.root
-Stream2              INFO ../O reinitialization...
+Stream2              INFO I/O reinitialization...
+Stream2.Stream2...  DEBUG Property update for OutputLevel : new value = 2
 Stream2             DEBUG End initialize
+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.FileMetaDataCreatorTool (xAODMaker::FileMetaDataCreatorTool)
+Stream2             DEBUG Adding private ToolHandle tool Stream2.ThinningCacheTool_Stream2 (Athena::ThinningCacheTool)
 Stream2             DEBUG Adding private ToolHandle tool Stream2.Stream2Tool (AthenaOutputStreamTool)
-  + INPUT IGNORED  ( 'AthenaAttributeList' , '' ) 
+Stream2             DEBUG Data Deps for Stream2
+  + INPUT   ( 'AthenaAttributeList' , 'StoreGateSvc+SimpleTag' ) 
   + OUTPUT  ( 'DataHeader' , 'StoreGateSvc+Stream2' ) 
   + OUTPUT  ( 'SG::CompressionInfo' , 'StoreGateSvc+CompressionInfo_Stream2' ) 
   + OUTPUT  ( 'SG::SelectionVetoes' , 'StoreGateSvc+SelectionVetoes_Stream2' ) 
@@ -88,6 +177,7 @@ ReWriteData          INFO Element = 0x???? : 17.2845
 ReWriteData          INFO Element = 0x???? : 10.8645
 ReWriteData          INFO Track pt = 74.8928 eta = 3.1676 phi = 2.6161 detector = Track made in: DummyHitDetector
 ReWriteData          INFO registered all data
+ClassIDSvc           INFO  getRegistryEntries: read 110 CLIDRegistry entries for module ALL
 Stream1             DEBUG addItemObjects(2101,"*") called
 Stream1             DEBUG            Key:*
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
@@ -101,6 +191,15 @@ Stream1             DEBUG  Added object 9102,"MyHits"
 Stream1             DEBUG  Collected objects:
 Stream1             DEBUG  Object/count: EventInfo_McEventInfo, 1
 Stream1             DEBUG  Object/count: ExampleHitContainer_MyHits, 1
+DbSession            INFO     Open     DbSession    
+Domain[ROOT_All]     INFO >   Access   DbDomain     UPDATE    [ROOT_All] 
+AthenaPoolCnvSvc    DEBUG setAttribute TREE_MAX_SIZE to 1099511627776L
+AthenaPoolCnvSvc    DEBUG setAttribute DEFAULT_SPLITLEVEL to 0
+AthenaPoolCnvSvc    DEBUG setAttribute STREAM_MEMBER_WISE to 1
+AthenaPoolCnvSvc    DEBUG setAttribute DEFAULT_BUFFERSIZE to 32000
+PersistencySvc:...  DEBUG lookupPFN: SimplePoolFile1.root returned FID: '????' tech=ROOT_All
+Domain[ROOT_All]     INFO ->  Access   DbDatabase   CREATE    [ROOT_All] ????
+Domain[ROOT_All]     INFO                           SimplePoolFile1.root
 SimplePoolFile1...  DEBUG --> Access   DbContainer  CREATE    [ROOT_All] ##Shapes
 ##Shapes            DEBUG Opening
 ##Shapes            DEBUG    attributes# = 1
@@ -118,6 +217,7 @@ SimplePoolFile1...  DEBUG --> Access   DbContainer  CREATE    [ROOT_All] ##Param
 SimplePoolFile1...  DEBUG --->Adding Assoc :????/##Params [200]  (2 , ffffffff)
 SimplePoolFile1...  DEBUG ---->ClassID:????
 ##Params            DEBUG No objects passing selection criteria... Container has 0 Entries in total.
+AthenaPoolCnvSvc    DEBUG setAttribute CONTAINER_SPLITLEVEL to 0 for db: SimplePoolFile1.root and cont: TTree=POOLContainerForm(DataHeaderForm)
 Stream1             DEBUG connectOutput done for SimplePoolFile1.root
 StorageSvc           INFO Building shape according to reflection information using shape ID for:
 StorageSvc           INFO EventInfo_p4 [????]
@@ -283,6 +383,7 @@ SimplePoolFile1...  DEBUG ---->ClassID:????
 SimplePoolFile1...  DEBUG --->Adding Shape[8 , ????]:  [1 Column(s)] 
 SimplePoolFile1...  DEBUG ---->Class:float
 SimplePoolFile1...  DEBUG ---->[0]:float Typ:float [10] Size:0 Offset:0 #Elements:1
+ClassIDSvc           INFO  getRegistryEntries: read 83 CLIDRegistry entries for module ALL
 Stream1.FileMet...  DEBUG Retrieved  'EventInfoKey':'EventInfo'
 Stream1.FileMet...  DEBUG setting xAOD::FileMetaData::mcProcID to 0
 Stream1.FileMet...  DEBUG Retrieved  'StreamName':'Stream1'
@@ -300,6 +401,15 @@ Stream2             DEBUG  Added object 9103,"MyTracks"
 Stream2             DEBUG  Collected objects:
 Stream2             DEBUG  Object/count: EventInfo_McEventInfo, 1
 Stream2             DEBUG  Object/count: ExampleTrackContainer_MyTracks, 1
+DbSession            INFO     Open     DbSession    
+Domain[ROOT_All]     INFO >   Access   DbDomain     UPDATE    [ROOT_All] 
+AthenaPoolCnvSvc    DEBUG setAttribute TREE_MAX_SIZE to 1099511627776L
+AthenaPoolCnvSvc    DEBUG setAttribute DEFAULT_SPLITLEVEL to 0
+AthenaPoolCnvSvc    DEBUG setAttribute STREAM_MEMBER_WISE to 1
+AthenaPoolCnvSvc    DEBUG setAttribute DEFAULT_BUFFERSIZE to 32000
+PersistencySvc:...  DEBUG lookupPFN: SimplePoolFile3.root returned FID: '????' tech=ROOT_All
+Domain[ROOT_All]     INFO ->  Access   DbDatabase   CREATE    [ROOT_All] ????
+Domain[ROOT_All]     INFO                           SimplePoolFile3.root
 SimplePoolFile3...  DEBUG --> Access   DbContainer  CREATE    [ROOT_All] ##Shapes
 ##Shapes            DEBUG Opening
 ##Shapes            DEBUG    attributes# = 1
@@ -317,6 +427,7 @@ SimplePoolFile3...  DEBUG --> Access   DbContainer  CREATE    [ROOT_All] ##Param
 SimplePoolFile3...  DEBUG --->Adding Assoc :????/##Params [200]  (2 , ffffffff)
 SimplePoolFile3...  DEBUG ---->ClassID:????
 ##Params            DEBUG No objects passing selection criteria... Container has 0 Entries in total.
+AthenaPoolCnvSvc    DEBUG setAttribute CONTAINER_SPLITLEVEL to 0 for db: SimplePoolFile3.root and cont: TTree=POOLContainerForm(DataHeaderForm)
 Stream2             DEBUG connectOutput done for SimplePoolFile3.root
 SimplePoolFile3...  DEBUG --> Access   DbContainer  CREA/UPDA [ROOT_Tree] CollectionTree(EventInfo_p4/McEventInfo)
 CollectionTree(...  DEBUG Opening
@@ -360,6 +471,112 @@ SimplePoolFile3...  DEBUG ---->ClassID:????
 SimplePoolFile3...  DEBUG --->Adding Shape[3 , ????]:  [1 Column(s)] 
 SimplePoolFile3...  DEBUG ---->Class:DataHeaderForm_p6
 SimplePoolFile3...  DEBUG ---->[0]:DataHeaderForm_p6 Typ:DataHeaderForm_p6 [21] Size:0 Offset:0 #Elements:1
+SimplePoolFile3...  DEBUG --> Access   DbContainer  CREA/UPDA [ROOT_Tree] POOLCollectionTree(Token)
+POOLCollectionT...  DEBUG Opening
+POOLCollectionT...  DEBUG    attributes# = 1
+POOLCollectionT...  DEBUG Branch container 'Token'
+POOLCollectionT...  DEBUG Opened container POOLCollectionTree(Token) of type ROOT_Tree
+SimplePoolFile3...  DEBUG --->Adding Assoc :????/POOLCollectionTree(Token) [202]  (7 , ffffffff)
+SimplePoolFile3...  DEBUG ---->ClassID:????
+SimplePoolFile3...  DEBUG --->Adding Shape[4 , ????]:  [1 Column(s)] 
+SimplePoolFile3...  DEBUG ---->Class:Token
+SimplePoolFile3...  DEBUG ---->[0]:Token Typ:Token [18] Size:0 Offset:0 #Elements:1
+SimplePoolFile3...  DEBUG --> Access   DbContainer  CREA/UPDA [ROOT_Tree] POOLCollectionTree(IsSimulation)
+POOLCollectionT...  DEBUG Opening
+POOLCollectionT...  DEBUG    attributes# = 1
+POOLCollectionT...  DEBUG Branch container 'IsSimulation'
+POOLCollectionT...  DEBUG Opened container POOLCollectionTree(IsSimulation) of type ROOT_Tree
+SimplePoolFile3...  DEBUG --->Adding Assoc :????/POOLCollectionTree(IsSimulation) [202]  (8 , ffffffff)
+SimplePoolFile3...  DEBUG ---->ClassID:????
+SimplePoolFile3...  DEBUG --->Adding Shape[5 , ????]:  [1 Column(s)] 
+SimplePoolFile3...  DEBUG ---->Class:bool
+SimplePoolFile3...  DEBUG ---->[0]:bool Typ:bool [9] Size:0 Offset:0 #Elements:1
+SimplePoolFile3...  DEBUG --> Access   DbContainer  CREA/UPDA [ROOT_Tree] POOLCollectionTree(IsCalibration)
+POOLCollectionT...  DEBUG Opening
+POOLCollectionT...  DEBUG    attributes# = 1
+POOLCollectionT...  DEBUG Branch container 'IsCalibration'
+POOLCollectionT...  DEBUG Opened container POOLCollectionTree(IsCalibration) of type ROOT_Tree
+SimplePoolFile3...  DEBUG --->Adding Assoc :????/POOLCollectionTree(IsCalibration) [202]  (9 , ffffffff)
+SimplePoolFile3...  DEBUG ---->ClassID:????
+SimplePoolFile3...  DEBUG --> Access   DbContainer  CREA/UPDA [ROOT_Tree] POOLCollectionTree(IsTestBeam)
+POOLCollectionT...  DEBUG Opening
+POOLCollectionT...  DEBUG    attributes# = 1
+POOLCollectionT...  DEBUG Branch container 'IsTestBeam'
+POOLCollectionT...  DEBUG Opened container POOLCollectionTree(IsTestBeam) of type ROOT_Tree
+SimplePoolFile3...  DEBUG --->Adding Assoc :????/POOLCollectionTree(IsTestBeam) [202]  (a , ffffffff)
+SimplePoolFile3...  DEBUG ---->ClassID:????
+SimplePoolFile3...  DEBUG --> Access   DbContainer  CREA/UPDA [ROOT_Tree] POOLCollectionTree(McChannel)
+POOLCollectionT...  DEBUG Opening
+POOLCollectionT...  DEBUG    attributes# = 1
+POOLCollectionT...  DEBUG Branch container 'McChannel'
+POOLCollectionT...  DEBUG Opened container POOLCollectionTree(McChannel) of type ROOT_Tree
+SimplePoolFile3...  DEBUG --->Adding Assoc :????/POOLCollectionTree(McChannel) [202]  (b , ffffffff)
+SimplePoolFile3...  DEBUG ---->ClassID:????
+SimplePoolFile3...  DEBUG --->Adding Shape[6 , ????]:  [1 Column(s)] 
+SimplePoolFile3...  DEBUG ---->Class:unsigned int
+SimplePoolFile3...  DEBUG ---->[0]:unsigned int Typ:unsigned int [3] Size:0 Offset:0 #Elements:1
+SimplePoolFile3...  DEBUG --> Access   DbContainer  CREA/UPDA [ROOT_Tree] POOLCollectionTree(RunNumber)
+POOLCollectionT...  DEBUG Opening
+POOLCollectionT...  DEBUG    attributes# = 1
+POOLCollectionT...  DEBUG Branch container 'RunNumber'
+POOLCollectionT...  DEBUG Opened container POOLCollectionTree(RunNumber) of type ROOT_Tree
+SimplePoolFile3...  DEBUG --->Adding Assoc :????/POOLCollectionTree(RunNumber) [202]  (c , ffffffff)
+SimplePoolFile3...  DEBUG ---->ClassID:????
+SimplePoolFile3...  DEBUG --> Access   DbContainer  CREA/UPDA [ROOT_Tree] POOLCollectionTree(EventNumber)
+POOLCollectionT...  DEBUG Opening
+POOLCollectionT...  DEBUG    attributes# = 1
+POOLCollectionT...  DEBUG Branch container 'EventNumber'
+POOLCollectionT...  DEBUG Opened container POOLCollectionTree(EventNumber) of type ROOT_Tree
+SimplePoolFile3...  DEBUG --->Adding Assoc :????/POOLCollectionTree(EventNumber) [202]  (d , ffffffff)
+SimplePoolFile3...  DEBUG ---->ClassID:????
+SimplePoolFile3...  DEBUG --->Adding Shape[7 , ????]:  [1 Column(s)] 
+SimplePoolFile3...  DEBUG ---->Class:unsigned long long
+SimplePoolFile3...  DEBUG ---->[0]:unsigned long long Typ:unsigned long long [23] Size:0 Offset:0 #Elements:1
+SimplePoolFile3...  DEBUG --> Access   DbContainer  CREA/UPDA [ROOT_Tree] POOLCollectionTree(LumiBlockN)
+POOLCollectionT...  DEBUG Opening
+POOLCollectionT...  DEBUG    attributes# = 1
+POOLCollectionT...  DEBUG Branch container 'LumiBlockN'
+POOLCollectionT...  DEBUG Opened container POOLCollectionTree(LumiBlockN) of type ROOT_Tree
+SimplePoolFile3...  DEBUG --->Adding Assoc :????/POOLCollectionTree(LumiBlockN) [202]  (e , ffffffff)
+SimplePoolFile3...  DEBUG ---->ClassID:????
+SimplePoolFile3...  DEBUG --> Access   DbContainer  CREA/UPDA [ROOT_Tree] POOLCollectionTree(ConditionsRun)
+POOLCollectionT...  DEBUG Opening
+POOLCollectionT...  DEBUG    attributes# = 1
+POOLCollectionT...  DEBUG Branch container 'ConditionsRun'
+POOLCollectionT...  DEBUG Opened container POOLCollectionTree(ConditionsRun) of type ROOT_Tree
+SimplePoolFile3...  DEBUG --->Adding Assoc :????/POOLCollectionTree(ConditionsRun) [202]  (f , ffffffff)
+SimplePoolFile3...  DEBUG ---->ClassID:????
+SimplePoolFile3...  DEBUG --> Access   DbContainer  CREA/UPDA [ROOT_Tree] POOLCollectionTree(EventTime)
+POOLCollectionT...  DEBUG Opening
+POOLCollectionT...  DEBUG    attributes# = 1
+POOLCollectionT...  DEBUG Branch container 'EventTime'
+POOLCollectionT...  DEBUG Opened container POOLCollectionTree(EventTime) of type ROOT_Tree
+SimplePoolFile3...  DEBUG --->Adding Assoc :????/POOLCollectionTree(EventTime) [202]  (10 , ffffffff)
+SimplePoolFile3...  DEBUG ---->ClassID:????
+SimplePoolFile3...  DEBUG --> Access   DbContainer  CREA/UPDA [ROOT_Tree] POOLCollectionTree(EventTimeNanoSec)
+POOLCollectionT...  DEBUG Opening
+POOLCollectionT...  DEBUG    attributes# = 1
+POOLCollectionT...  DEBUG Branch container 'EventTimeNanoSec'
+POOLCollectionT...  DEBUG Opened container POOLCollectionTree(EventTimeNanoSec) of type ROOT_Tree
+SimplePoolFile3...  DEBUG --->Adding Assoc :????/POOLCollectionTree(EventTimeNanoSec) [202]  (11 , ffffffff)
+SimplePoolFile3...  DEBUG ---->ClassID:????
+SimplePoolFile3...  DEBUG --> Access   DbContainer  CREA/UPDA [ROOT_Tree] POOLCollectionTree(BunchId)
+POOLCollectionT...  DEBUG Opening
+POOLCollectionT...  DEBUG    attributes# = 1
+POOLCollectionT...  DEBUG Branch container 'BunchId'
+POOLCollectionT...  DEBUG Opened container POOLCollectionTree(BunchId) of type ROOT_Tree
+SimplePoolFile3...  DEBUG --->Adding Assoc :????/POOLCollectionTree(BunchId) [202]  (12 , ffffffff)
+SimplePoolFile3...  DEBUG ---->ClassID:????
+SimplePoolFile3...  DEBUG --> Access   DbContainer  CREA/UPDA [ROOT_Tree] POOLCollectionTree(EventWeight)
+POOLCollectionT...  DEBUG Opening
+POOLCollectionT...  DEBUG    attributes# = 1
+POOLCollectionT...  DEBUG Branch container 'EventWeight'
+POOLCollectionT...  DEBUG Opened container POOLCollectionTree(EventWeight) of type ROOT_Tree
+SimplePoolFile3...  DEBUG --->Adding Assoc :????/POOLCollectionTree(EventWeight) [202]  (13 , ffffffff)
+SimplePoolFile3...  DEBUG ---->ClassID:????
+SimplePoolFile3...  DEBUG --->Adding Shape[8 , ????]:  [1 Column(s)] 
+SimplePoolFile3...  DEBUG ---->Class:float
+SimplePoolFile3...  DEBUG ---->[0]:float Typ:float [10] Size:0 Offset:0 #Elements:1
 Stream2.FileMet...  DEBUG Retrieved  'EventInfoKey':'EventInfo'
 Stream2.FileMet...  DEBUG setting xAOD::FileMetaData::mcProcID to 0
 Stream2.FileMet...  DEBUG Retrieved  'StreamName':'Stream2'
@@ -1509,6 +1726,7 @@ 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#*, xAOD::EventFormat#EventFormatStream1, xAOD::FileMetaData#FileMetaData, xAOD::FileMetaDataAuxInfo#FileMetaDataAux.]
 Stream1             DEBUG addItemObjects(73252552,"FileMetaDataAux.") called
 Stream1             DEBUG            Key:FileMetaDataAux.
 Stream1             DEBUG      Comp Attr 0 with 7 mantissa bits.
@@ -1600,9 +1818,11 @@ MetaData(xAOD::...  DEBUG  SG::IAuxStoreIO* detected in xAOD::FileMetaDataAuxInf
 MetaData(xAOD::...  DEBUG        Attributes= 1
 MetaData(xAOD::...  DEBUG    Creating branch for new dynamic attribute, Id=52: type=float, mcProcID
 MetaData(xAOD::...  DEBUG createBasicAuxBranch: xAOD::FileMetaDataAuxInfo_v1_FileMetaDataAuxDyn.mcProcID, leaf:mcProcID/F
+ClassIDSvc           INFO  getRegistryEntries: read 55 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#*, xAOD::EventFormat#EventFormatStream2, xAOD::FileMetaData#FileMetaData, xAOD::FileMetaDataAuxInfo#FileMetaDataAux.]
 Stream2             DEBUG addItemObjects(73252552,"FileMetaDataAux.") called
 Stream2             DEBUG            Key:FileMetaDataAux.
 Stream2             DEBUG      Comp Attr 0 with 7 mantissa bits.
@@ -1633,9 +1853,9 @@ MetaData(xAOD::...  DEBUG Opening
 MetaData(xAOD::...  DEBUG    attributes# = 1
 MetaData(xAOD::...  DEBUG Branch container 'xAOD::FileMetaDataAuxInfo_v1_FileMetaDataAux.'
 MetaData(xAOD::...  DEBUG Opened container MetaData(xAOD::FileMetaDataAuxInfo_v1/FileMetaDataAux.) of type ROOT_Tree
-SimplePoolFile3...  DEBUG --->Adding Assoc :????/MetaData(xAOD::FileMetaDataAuxInfo_v1/FileMetaDataAux.) [203]  (7 , ffffffff)
+SimplePoolFile3...  DEBUG --->Adding Assoc :????/MetaData(xAOD::FileMetaDataAuxInfo_v1/FileMetaDataAux.) [203]  (14 , ffffffff)
 SimplePoolFile3...  DEBUG ---->ClassID:????
-SimplePoolFile3...  DEBUG --->Adding Shape[4 , ????]:  [1 Column(s)] 
+SimplePoolFile3...  DEBUG --->Adding Shape[9 , ????]:  [1 Column(s)] 
 SimplePoolFile3...  DEBUG ---->Class:xAOD::FileMetaDataAuxInfo_v1
 SimplePoolFile3...  DEBUG ---->[0]:xAOD::FileMetaDataAuxInfo_v1 Typ:xAOD::FileMetaDataAuxInfo_v1 [21] Size:0 Offset:0 #Elements:1
 SimplePoolFile3...  DEBUG --> Access   DbContainer  CREA/UPDA [ROOT_Tree] MetaData(EventStreamInfo_p3/Stream2)
@@ -1643,9 +1863,9 @@ MetaData(EventS...  DEBUG Opening
 MetaData(EventS...  DEBUG    attributes# = 1
 MetaData(EventS...  DEBUG Branch container 'EventStreamInfo_p3_Stream2'
 MetaData(EventS...  DEBUG Opened container MetaData(EventStreamInfo_p3/Stream2) of type ROOT_Tree
-SimplePoolFile3...  DEBUG --->Adding Assoc :????/MetaData(EventStreamInfo_p3/Stream2) [203]  (8 , ffffffff)
+SimplePoolFile3...  DEBUG --->Adding Assoc :????/MetaData(EventStreamInfo_p3/Stream2) [203]  (15 , ffffffff)
 SimplePoolFile3...  DEBUG ---->ClassID:????
-SimplePoolFile3...  DEBUG --->Adding Shape[5 , ????]:  [1 Column(s)] 
+SimplePoolFile3...  DEBUG --->Adding Shape[10 , ????]:  [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::FileMetaData_v1/FileMetaData)
@@ -1653,9 +1873,9 @@ MetaData(xAOD::...  DEBUG Opening
 MetaData(xAOD::...  DEBUG    attributes# = 1
 MetaData(xAOD::...  DEBUG Branch container 'xAOD::FileMetaData_v1_FileMetaData'
 MetaData(xAOD::...  DEBUG Opened container MetaData(xAOD::FileMetaData_v1/FileMetaData) of type ROOT_Tree
-SimplePoolFile3...  DEBUG --->Adding Assoc :????/MetaData(xAOD::FileMetaData_v1/FileMetaData) [203]  (9 , ffffffff)
+SimplePoolFile3...  DEBUG --->Adding Assoc :????/MetaData(xAOD::FileMetaData_v1/FileMetaData) [203]  (16 , ffffffff)
 SimplePoolFile3...  DEBUG ---->ClassID:????
-SimplePoolFile3...  DEBUG --->Adding Shape[6 , ????]:  [1 Column(s)] 
+SimplePoolFile3...  DEBUG --->Adding Shape[11 , ????]:  [1 Column(s)] 
 SimplePoolFile3...  DEBUG ---->Class:xAOD::FileMetaData_v1
 SimplePoolFile3...  DEBUG ---->[0]:xAOD::FileMetaData_v1 Typ:xAOD::FileMetaData_v1 [21] Size:0 Offset:0 #Elements:1
 SimplePoolFile3...  DEBUG --> Access   DbContainer  CREA/UPDA [ROOT_Tree] MetaData(xAOD::EventFormat_v1/EventFormatStream2)
@@ -1663,9 +1883,9 @@ 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) [203]  (a , ffffffff)
+SimplePoolFile3...  DEBUG --->Adding Assoc :????/MetaData(xAOD::EventFormat_v1/EventFormatStream2) [203]  (17 , ffffffff)
 SimplePoolFile3...  DEBUG ---->ClassID:????
-SimplePoolFile3...  DEBUG --->Adding Shape[7 , ????]:  [1 Column(s)] 
+SimplePoolFile3...  DEBUG --->Adding Shape[12 , ????]:  [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)
@@ -1673,14 +1893,14 @@ 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) [203]  (b , ffffffff)
+SimplePoolFile3...  DEBUG --->Adding Assoc :????/MetaDataHdr(DataHeader) [203]  (18 , 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) [203]  (c , ffffffff)
+SimplePoolFile3...  DEBUG --->Adding Assoc :????/MetaDataHdrForm(DataHeaderForm) [203]  (19 , ffffffff)
 SimplePoolFile3...  DEBUG ---->ClassID:????
 MetaData(xAOD::...  DEBUG  SG::IAuxStoreIO* detected in xAOD::FileMetaDataAuxInfo_v1_FileMetaDataAux.
 MetaData(xAOD::...  DEBUG        Attributes= 1
@@ -1688,18 +1908,33 @@ MetaData(xAOD::...  DEBUG    Creating branch for new dynamic attribute, Id=52: t
 MetaData(xAOD::...  DEBUG createBasicAuxBranch: xAOD::FileMetaDataAuxInfo_v1_FileMetaDataAuxDyn.mcProcID, leaf:mcProcID/F
 Stream2              INFO Metadata records written: 21
 Stream2             DEBUG Leaving incident handler for MetaDataStop
+Domain[ROOT_All]     INFO >   Deaccess DbDomain     READ      [ROOT_All] 
+Domain[ROOT_All]     INFO ->  Deaccess DbDatabase   CREATE    [ROOT_All] ????
+Domain[ROOT_All]     INFO >   Deaccess DbDomain     UPDATE    [ROOT_All] 
+Domain[ROOT_All]     INFO ->  Deaccess DbDatabase   CREATE    [ROOT_All] ????
+Domain[ROOT_All]     INFO >   Deaccess DbDomain     UPDATE    [ROOT_All] 
 ApplicationMgr       INFO Application Manager Stopped successfully
+IncidentProcAlg1     INFO Finalize
 WriteData            INFO in finalize()
 ReWriteData          INFO in finalize()
+WriteData           DEBUG Calling destructor
+ReWriteData         DEBUG Calling destructor
+IncidentProcAlg2     INFO Finalize
 Stream1             DEBUG finalize: Optimize output
 Stream1             DEBUG finalize: end optimize output
 Stream2             DEBUG finalize: Optimize output
 Stream2             DEBUG finalize: end optimize output
+DecisionSvc          INFO Finalized successfully.
 AthDictLoaderSvc     INFO in finalize...
 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=   0.238(+-    1.52)/       0/      10 [ms] #= 42
+cRep_ALL             INFO Time User   : Tot=   30 [ms] Ave/Min/Max=   0.231(+-     1.5)/       0/      10 [ms] #=130
+cRepR_ALL            INFO Time User   : Tot=   30 [ms] Ave/Min/Max=  0.0457(+-   0.675)/       0/      10 [ms] #=656
+fRep_ALL             INFO Time User   : Tot=   50 [ms] Ave/Min/Max=   0.385(+-    1.92)/       0/      10 [ms] #=130
+ChronoStatSvc        INFO Time User   : Tot=  240 [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 1a907b1443678f1b88464970f3184d0ae8e83ea5..f1459ccf843b8a8cab41cdb5849e1601caf26ef0 100644
--- a/Database/AthenaPOOL/AthenaPoolExample/AthenaPoolExampleAlgorithms/share/AthenaPoolExample_ReadConcat.ref
+++ b/Database/AthenaPOOL/AthenaPoolExample/AthenaPoolExampleAlgorithms/share/AthenaPoolExample_ReadConcat.ref
@@ -1,15 +1,54 @@
+Fri Jan 29 08:06:43 CST 2021
+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 5477 configurables from 59 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 v35r0)
+                                          running on hepd-0003 on Fri Jan 29 08:06:50 2021
+====================================================================================================================================
 ApplicationMgr       INFO Application Manager Configured successfully
 AthDictLoaderSvc     INFO in initialize...
 AthDictLoaderSvc     INFO acquired Dso-registry
+ClassIDSvc           INFO  getRegistryEntries: read 3200 CLIDRegistry entries for module ALL
+AthenaEventLoopMgr   INFO Initializing AthenaEventLoopMgr - package version AthenaServices-00-00-00
+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
+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-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 /home/gemmeren/workarea/build/x86_64-centos7-gcc8-opt/share/dbreplica.config
+DBReplicaSvc         INFO Total of 1 servers found for host hepd-0003.lcrc.anl.gov [ATLF ]
+PoolSvc              INFO Successfully setup replica sorting algorithm
 PoolSvc             DEBUG OutputLevel is 2
+PoolSvc              INFO Setting up APR FileCatalog and Streams
+PoolSvc              INFO POOL WriteCatalog is file:Catalog1.xml
+DbSession            INFO     Open     DbSession    
+Domain[ROOT_All]     INFO >   Access   DbDomain     READ      [ROOT_All] 
+MetaDataSvc          INFO Found MetaDataTools = PublicToolHandleArray(['IOVDbMetaDataTool'])
+EventSelector       DEBUG Property update for OutputLevel : new value = 2
 EventSelector       DEBUG Initializing EventSelector
+EventSelector       DEBUG Service base class initialized successfully
 EventSelector       DEBUG Events to skip: 9, 10
 IoComponentMgr       INFO IoComponent EventSelector has already had file EmptyPoolFile.root registered with i/o mode READ
 EventSelector       DEBUG reinitialization...
 EventSelector        INFO EventSelection with query 
 EventSelector       DEBUG Try item: "EmptyPoolFile.root" from the collection list.
+PersistencySvc:...  DEBUG lookupPFN: EmptyPoolFile.root returned FID: '????' tech=ROOT_All
+Domain[ROOT_All]     INFO ->  Access   DbDatabase   READ      [ROOT_All] ????
+Domain[ROOT_All]     INFO                           EmptyPoolFile.root
 EmptyPoolFile.root  DEBUG --> Access   DbContainer  READ      [ROOT_All] ##Shapes
 ##Shapes            DEBUG Opening
 ##Shapes            DEBUG    attributes# = 1
@@ -55,10 +94,18 @@ EmptyPoolFile.root  DEBUG --->Reading Param:PFN=[EmptyPoolFile.root]
 EmptyPoolFile.root  DEBUG --->Reading Param:POOL_VSN=[1.1]
 EmptyPoolFile.root  DEBUG --->Reading Param:FORMAT_VSN=[1.1]
 ##Params            DEBUG No objects passing selection criteria... Container has 4 Entries in total.
+PoolSvc              INFO Failed to find container POOLContainer(DataHeader) to create POOL collection.
+PoolSvc              INFO Failed to find container POOLContainer_DataHeader to create POOL collection.
 EventSelector       DEBUG No events found in: EmptyPoolFile.root skipped!!!
+Domain[ROOT_All]     INFO ->  Deaccess DbDatabase   READ      [ROOT_All] ????
+Domain[ROOT_All]     INFO >   Deaccess DbDomain     READ      [ROOT_All] 
 EventSelector       DEBUG Try item: "SimplePoolFile1.root" from the collection list.
 MetaDataSvc         DEBUG handle() FirstInputFile for FID:????
 MetaDataSvc         DEBUG initInputMetaDataStore: file name FID:????
+DbSession            INFO     Open     DbSession    
+Domain[ROOT_All]     INFO >   Access   DbDomain     READ      [ROOT_All] 
+Domain[ROOT_All]     INFO ->  Access   DbDatabase   READ      [ROOT_All] ????
+Domain[ROOT_All]     INFO                           SimplePoolFile1.root
 SimplePoolFile1...  DEBUG --> Access   DbContainer  READ      [ROOT_All] ##Shapes
 ##Shapes            DEBUG Opening
 ##Shapes            DEBUG    attributes# = 1
@@ -157,19 +204,32 @@ 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 1716 CLIDRegistry entries for module ALL
+EventPersistenc...   INFO Added successfully Conversion service:AthenaPoolCnvSvc
 SimplePoolFile1...  DEBUG --> Access   DbContainer  READ      [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
 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
 MetaDataSvc         DEBUG Registering all Tools in ToolHandleArray MetaDataTools
 MetaDataSvc         DEBUG Adding public ToolHandle tool ToolSvc.IOVDbMetaDataTool (IOVDbMetaDataTool)
+MetaDataSvc          INFO   AlgTool: ToolSvc.IOVDbMetaDataTool
+AthenaPoolAddre...  DEBUG Property update for OutputLevel : new value = 2
+AthenaPoolAddre...  DEBUG Service base class initialized successfully
+ReadData            DEBUG input handles: 2
+ReadData            DEBUG output handles: 0
+ReadData            DEBUG Data Deps for ReadData
   + INPUT   ( 'ExampleHitContainer' , 'StoreGateSvc+MyHits' ) 
   + INPUT   ( 'ExampleTrackContainer' , 'StoreGateSvc+MyTracks' ) 
 AthenaEventLoopMgr   INFO Setup EventSelector service EventSelector
 ApplicationMgr       INFO Application Manager Initialized successfully
 EventSelector       DEBUG Try item: "EmptyPoolFile.root" from the collection list.
+PersistencySvc:...  DEBUG lookupPFN: EmptyPoolFile.root returned FID: '????' tech=ROOT_All
+Domain[ROOT_All]     INFO ->  Access   DbDatabase   READ      [ROOT_All] ????
+Domain[ROOT_All]     INFO                           EmptyPoolFile.root
 EmptyPoolFile.root  DEBUG --> Access   DbContainer  READ      [ROOT_All] ##Shapes
 ##Shapes            DEBUG Opening
 ##Shapes            DEBUG    attributes# = 1
@@ -215,6 +275,8 @@ EmptyPoolFile.root  DEBUG --->Reading Param:PFN=[EmptyPoolFile.root]
 EmptyPoolFile.root  DEBUG --->Reading Param:POOL_VSN=[1.1]
 EmptyPoolFile.root  DEBUG --->Reading Param:FORMAT_VSN=[1.1]
 ##Params            DEBUG No objects passing selection criteria... Container has 4 Entries in total.
+PoolSvc              INFO Failed to find container POOLContainer(DataHeader) to create POOL collection.
+PoolSvc              INFO Failed to find container POOLContainer_DataHeader to create POOL collection.
 EventSelector       DEBUG No events found in: EmptyPoolFile.root skipped!!!
 MetaDataSvc         DEBUG handle() BeginInputFile for EmptyPoolFile.root
 MetaDataSvc         DEBUG initInputMetaDataStore: file name EmptyPoolFile.root
@@ -232,6 +294,7 @@ 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
 RootDatabase.se...  DEBUG Request tree cache 
@@ -243,6 +306,8 @@ RootDatabase.se...  DEBUG Request tree cache
 RootDatabase.se...  DEBUG File name SimplePoolFile1.root
 RootDatabase.se...  DEBUG Got tree CollectionTree read entry -1
 RootDatabase.se...  DEBUG Using Tree cache. Size: 100000 Nevents to learn with: 6
+PoolSvc              INFO Database (SimplePoolFile1.root) attribute [TREE_CACHE_LEARN_EVENTS]: 6
+PoolSvc              INFO Database (SimplePoolFile1.root) attribute [TREE_CACHE_SIZE]: 100000
 MetaDataSvc         DEBUG handle() BeginInputFile for SimplePoolFile1.root
 MetaDataSvc         DEBUG initInputMetaDataStore: file name SimplePoolFile1.root
 MetaDataSvc         DEBUG Loaded input meta data store proxies
@@ -275,6 +340,7 @@ POOLContainerFo...  DEBUG Opened container POOLContainerForm(DataHeaderForm) of
 AthenaPoolAddre...  DEBUG The current Event contains: 3 objects
 AthenaPoolAddre...  DEBUG loadAddresses: DataObject address, clid = 2101, name = McEventInfo
 AthenaPoolAddre...  DEBUG loadAddresses: DataObject address, clid = 9102, name = MyHits
+AlgResourcePool      INFO TopAlg list empty. Recovering the one of Application Manager
 AthenaEventLoopMgr   INFO   ===>>>  start of run 1    <<<===
 AthenaEventLoopMgr   INFO   ===>>>  start processing event #10, run #1 0 events processed so far  <<<===
 ReadData            DEBUG in execute()
@@ -308,6 +374,8 @@ 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]: 23713
+PoolSvc              INFO Database (SimplePoolFile1.root) attribute [READ_CALLS]: 22
 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
@@ -340,6 +408,8 @@ 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]: 23713
+PoolSvc              INFO Database (SimplePoolFile1.root) attribute [READ_CALLS]: 22
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #11, run #1 2 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
 EventSelector       DEBUG AttributeList size 12
@@ -371,6 +441,8 @@ 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]: 23713
+PoolSvc              INFO Database (SimplePoolFile1.root) attribute [READ_CALLS]: 22
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #12, run #1 3 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
 EventSelector       DEBUG AttributeList size 12
@@ -402,6 +474,8 @@ 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]: 23713
+PoolSvc              INFO Database (SimplePoolFile1.root) attribute [READ_CALLS]: 22
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #13, run #1 4 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
 EventSelector       DEBUG AttributeList size 12
@@ -433,6 +507,8 @@ 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]: 23713
+PoolSvc              INFO Database (SimplePoolFile1.root) attribute [READ_CALLS]: 22
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #14, run #1 5 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
 EventSelector       DEBUG AttributeList size 12
@@ -464,6 +540,8 @@ 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]: 23713
+PoolSvc              INFO Database (SimplePoolFile1.root) attribute [READ_CALLS]: 22
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #15, run #1 6 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
 EventSelector       DEBUG AttributeList size 12
@@ -495,6 +573,8 @@ 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]: 23713
+PoolSvc              INFO Database (SimplePoolFile1.root) attribute [READ_CALLS]: 22
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #16, run #1 7 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
 EventSelector       DEBUG AttributeList size 12
@@ -526,6 +606,8 @@ 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]: 23713
+PoolSvc              INFO Database (SimplePoolFile1.root) attribute [READ_CALLS]: 22
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #17, run #1 8 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
 EventSelector       DEBUG AttributeList size 12
@@ -557,6 +639,8 @@ 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]: 23713
+PoolSvc              INFO Database (SimplePoolFile1.root) attribute [READ_CALLS]: 22
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #18, run #1 9 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
 EventSelector       DEBUG AttributeList size 12
@@ -588,10 +672,20 @@ 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]: 23713
+PoolSvc              INFO Database (SimplePoolFile1.root) attribute [READ_CALLS]: 22
 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] 
 EventSelector       DEBUG Try item: "EmptyPoolFile.root" from the collection list.
+PersistencySvc:...  DEBUG lookupPFN: EmptyPoolFile.root returned FID: '????' tech=ROOT_All
+DbSession            INFO     Open     DbSession    
+Domain[ROOT_All]     INFO >   Access   DbDomain     READ      [ROOT_All] 
+Domain[ROOT_All]     INFO ->  Access   DbDatabase   READ      [ROOT_All] ????
+Domain[ROOT_All]     INFO                           EmptyPoolFile.root
 EmptyPoolFile.root  DEBUG --> Access   DbContainer  READ      [ROOT_All] ##Shapes
 ##Shapes            DEBUG Opening
 ##Shapes            DEBUG    attributes# = 1
@@ -637,6 +731,8 @@ EmptyPoolFile.root  DEBUG --->Reading Param:PFN=[EmptyPoolFile.root]
 EmptyPoolFile.root  DEBUG --->Reading Param:POOL_VSN=[1.1]
 EmptyPoolFile.root  DEBUG --->Reading Param:FORMAT_VSN=[1.1]
 ##Params            DEBUG No objects passing selection criteria... Container has 4 Entries in total.
+PoolSvc              INFO Failed to find container POOLContainer(DataHeader) to create POOL collection.
+PoolSvc              INFO Failed to find container POOLContainer_DataHeader to create POOL collection.
 EventSelector       DEBUG No events found in: EmptyPoolFile.root skipped!!!
 MetaDataSvc         DEBUG handle() BeginInputFile for EmptyPoolFile.root
 MetaDataSvc         DEBUG initInputMetaDataStore: file name EmptyPoolFile.root
@@ -649,7 +745,14 @@ 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.
+PersistencySvc:...  DEBUG lookupPFN: SimplePoolFile2.root returned FID: '????' tech=ROOT_All
+DbSession            INFO     Open     DbSession    
+Domain[ROOT_All]     INFO >   Access   DbDomain     READ      [ROOT_All] 
+Domain[ROOT_All]     INFO ->  Access   DbDatabase   READ      [ROOT_All] ????
+Domain[ROOT_All]     INFO                           SimplePoolFile2.root
 SimplePoolFile2...  DEBUG --> Access   DbContainer  READ      [ROOT_All] ##Shapes
 ##Shapes            DEBUG Opening
 ##Shapes            DEBUG    attributes# = 1
@@ -724,6 +827,8 @@ RootDatabase.se...  DEBUG Request tree cache
 RootDatabase.se...  DEBUG File name SimplePoolFile2.root
 RootDatabase.se...  DEBUG Got tree CollectionTree read entry -1
 RootDatabase.se...  DEBUG Using Tree cache. Size: 100000 Nevents to learn with: 6
+PoolSvc              INFO Database (SimplePoolFile2.root) attribute [TREE_CACHE_LEARN_EVENTS]: 6
+PoolSvc              INFO Database (SimplePoolFile2.root) attribute [TREE_CACHE_SIZE]: 100000
 MetaDataSvc         DEBUG handle() BeginInputFile for SimplePoolFile2.root
 MetaDataSvc         DEBUG initInputMetaDataStore: file name SimplePoolFile2.root
 SimplePoolFile2...  DEBUG --> Access   DbContainer  READ      [ROOT_Tree] MetaDataHdr(DataHeader)
@@ -760,6 +865,7 @@ CollectionTree(...  DEBUG Opening
 CollectionTree(...  DEBUG    attributes# = 1
 CollectionTree(...  DEBUG Branch container 'EventInfo_p4_McEventInfo'
 CollectionTree(...  DEBUG Opened container CollectionTree(EventInfo_p4/McEventInfo) of type ROOT_Tree
+AthenaPoolConve...   INFO massageEventInfo: unable to get OverrideRunNumberFromInput property from EventSelector 
 AthenaEventLoopMgr   INFO   ===>>>  start processing event #0, run #1 10 events processed so far  <<<===
 ReadData            DEBUG in execute()
 SimplePoolFile2...  DEBUG --> Access   DbContainer  READ      [ROOT_Tree] MetaData(EventStreamInfo_p3/Stream2)
@@ -777,6 +883,8 @@ 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]: 19954
+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
 EventSelector       DEBUG AttributeList size 3
@@ -797,6 +905,8 @@ 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]: 19954
+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
 EventSelector       DEBUG AttributeList size 3
@@ -817,6 +927,8 @@ 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]: 19954
+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
 EventSelector       DEBUG AttributeList size 3
@@ -837,6 +949,8 @@ 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]: 19954
+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
 EventSelector       DEBUG AttributeList size 3
@@ -857,6 +971,8 @@ 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]: 19954
+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
 EventSelector       DEBUG AttributeList size 3
@@ -877,6 +993,8 @@ 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]: 19954
+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
 EventSelector       DEBUG AttributeList size 3
@@ -897,6 +1015,8 @@ 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]: 19954
+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
 EventSelector       DEBUG AttributeList size 3
@@ -917,6 +1037,8 @@ 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]: 19954
+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
 EventSelector       DEBUG AttributeList size 3
@@ -937,6 +1059,8 @@ 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]: 19954
+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
 EventSelector       DEBUG AttributeList size 3
@@ -957,6 +1081,8 @@ 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]: 19954
+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
 EventSelector       DEBUG AttributeList size 3
@@ -977,6 +1103,8 @@ 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]: 19954
+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
 EventSelector       DEBUG AttributeList size 3
@@ -997,6 +1125,8 @@ 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]: 19954
+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
 EventSelector       DEBUG AttributeList size 3
@@ -1017,6 +1147,8 @@ 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]: 19954
+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
 EventSelector       DEBUG AttributeList size 3
@@ -1037,6 +1169,8 @@ 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]: 19954
+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
 EventSelector       DEBUG AttributeList size 3
@@ -1057,6 +1191,8 @@ 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]: 19954
+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
 EventSelector       DEBUG AttributeList size 3
@@ -1077,6 +1213,8 @@ 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]: 19954
+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
 EventSelector       DEBUG AttributeList size 3
@@ -1097,6 +1235,8 @@ 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]: 19954
+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
 EventSelector       DEBUG AttributeList size 3
@@ -1117,6 +1257,8 @@ 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]: 19954
+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
 EventSelector       DEBUG AttributeList size 3
@@ -1137,6 +1279,8 @@ 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]: 19954
+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
 EventSelector       DEBUG AttributeList size 3
@@ -1157,10 +1301,20 @@ 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]: 19954
+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] 
 EventSelector       DEBUG Try item: "SimplePoolFile3.root" from the collection list.
+PersistencySvc:...  DEBUG lookupPFN: SimplePoolFile3.root returned FID: '????' tech=ROOT_All
+DbSession            INFO     Open     DbSession    
+Domain[ROOT_All]     INFO >   Access   DbDomain     READ      [ROOT_All] 
+Domain[ROOT_All]     INFO ->  Access   DbDatabase   READ      [ROOT_All] ????
+Domain[ROOT_All]     INFO                           SimplePoolFile3.root
 SimplePoolFile3...  DEBUG --> Access   DbContainer  READ      [ROOT_All] ##Shapes
 ##Shapes            DEBUG Opening
 ##Shapes            DEBUG    attributes# = 1
@@ -1174,14 +1328,24 @@ SimplePoolFile3...  DEBUG ---->[0]:DataHeader_p6 Typ:DataHeader_p6 [21] Size:0 O
 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]:xAOD::FileMetaDataAuxInfo_v1 Typ:xAOD::FileMetaDataAuxInfo_v1 [21] Size:0 Offset:0 #Elements:1
+SimplePoolFile3...  DEBUG ---->[0]:Token Typ:Token [18] Size:0 Offset:0 #Elements:1
 SimplePoolFile3...  DEBUG --->Reading Shape[5 , ????]: [1 Column(s)]
-SimplePoolFile3...  DEBUG ---->[0]:EventStreamInfo_p3 Typ:EventStreamInfo_p3 [21] Size:0 Offset:0 #Elements:1
+SimplePoolFile3...  DEBUG ---->[0]:bool Typ:bool [9] Size:0 Offset:0 #Elements:1
 SimplePoolFile3...  DEBUG --->Reading Shape[6 , ????]: [1 Column(s)]
-SimplePoolFile3...  DEBUG ---->[0]:xAOD::FileMetaData_v1 Typ:xAOD::FileMetaData_v1 [21] Size:0 Offset:0 #Elements:1
+SimplePoolFile3...  DEBUG ---->[0]:unsigned int Typ:unsigned int [3] Size:0 Offset:0 #Elements:1
 SimplePoolFile3...  DEBUG --->Reading Shape[7 , ????]: [1 Column(s)]
+SimplePoolFile3...  DEBUG ---->[0]:unsigned long long Typ:unsigned long long [23] Size:0 Offset:0 #Elements:1
+SimplePoolFile3...  DEBUG --->Reading Shape[8 , ????]: [1 Column(s)]
+SimplePoolFile3...  DEBUG ---->[0]:float Typ:float [10] Size:0 Offset:0 #Elements:1
+SimplePoolFile3...  DEBUG --->Reading Shape[9 , ????]: [1 Column(s)]
+SimplePoolFile3...  DEBUG ---->[0]:xAOD::FileMetaDataAuxInfo_v1 Typ:xAOD::FileMetaDataAuxInfo_v1 [21] Size:0 Offset:0 #Elements:1
+SimplePoolFile3...  DEBUG --->Reading Shape[10 , ????]: [1 Column(s)]
+SimplePoolFile3...  DEBUG ---->[0]:EventStreamInfo_p3 Typ:EventStreamInfo_p3 [21] Size:0 Offset:0 #Elements:1
+SimplePoolFile3...  DEBUG --->Reading Shape[11 , ????]: [1 Column(s)]
+SimplePoolFile3...  DEBUG ---->[0]:xAOD::FileMetaData_v1 Typ:xAOD::FileMetaData_v1 [21] Size:0 Offset:0 #Elements:1
+SimplePoolFile3...  DEBUG --->Reading Shape[12 , ????]: [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.
+##Shapes            DEBUG No objects passing selection criteria... Container has 13 Entries in total.
 SimplePoolFile3...  DEBUG --> Access   DbContainer  READ      [ROOT_All] ##Links
 ##Links             DEBUG Opening
 ##Links             DEBUG    attributes# = 1
@@ -1196,19 +1360,45 @@ SimplePoolFile3...  DEBUG --->Reading Assoc:????/POOLContainer(DataHeader) [203]
 SimplePoolFile3...  DEBUG ---->ClassID:????
 SimplePoolFile3...  DEBUG --->Reading Assoc:????/POOLContainerForm(DataHeaderForm) [203]  (6 , ffffffff)
 SimplePoolFile3...  DEBUG ---->ClassID:????
-SimplePoolFile3...  DEBUG --->Reading Assoc:????/MetaData(xAOD::FileMetaDataAuxInfo_v1/FileMetaDataAux.) [203]  (7 , ffffffff)
+SimplePoolFile3...  DEBUG --->Reading Assoc:????/POOLCollectionTree(Token) [202]  (7 , ffffffff)
+SimplePoolFile3...  DEBUG ---->ClassID:????
+SimplePoolFile3...  DEBUG --->Reading Assoc:????/POOLCollectionTree(IsSimulation) [202]  (8 , ffffffff)
+SimplePoolFile3...  DEBUG ---->ClassID:????
+SimplePoolFile3...  DEBUG --->Reading Assoc:????/POOLCollectionTree(IsCalibration) [202]  (9 , ffffffff)
+SimplePoolFile3...  DEBUG ---->ClassID:????
+SimplePoolFile3...  DEBUG --->Reading Assoc:????/POOLCollectionTree(IsTestBeam) [202]  (a , ffffffff)
+SimplePoolFile3...  DEBUG ---->ClassID:????
+SimplePoolFile3...  DEBUG --->Reading Assoc:????/POOLCollectionTree(McChannel) [202]  (b , ffffffff)
+SimplePoolFile3...  DEBUG ---->ClassID:????
+SimplePoolFile3...  DEBUG --->Reading Assoc:????/POOLCollectionTree(RunNumber) [202]  (c , ffffffff)
+SimplePoolFile3...  DEBUG ---->ClassID:????
+SimplePoolFile3...  DEBUG --->Reading Assoc:????/POOLCollectionTree(EventNumber) [202]  (d , ffffffff)
+SimplePoolFile3...  DEBUG ---->ClassID:????
+SimplePoolFile3...  DEBUG --->Reading Assoc:????/POOLCollectionTree(LumiBlockN) [202]  (e , ffffffff)
 SimplePoolFile3...  DEBUG ---->ClassID:????
-SimplePoolFile3...  DEBUG --->Reading Assoc:????/MetaData(EventStreamInfo_p3/Stream2) [203]  (8 , ffffffff)
+SimplePoolFile3...  DEBUG --->Reading Assoc:????/POOLCollectionTree(ConditionsRun) [202]  (f , ffffffff)
 SimplePoolFile3...  DEBUG ---->ClassID:????
-SimplePoolFile3...  DEBUG --->Reading Assoc:????/MetaData(xAOD::FileMetaData_v1/FileMetaData) [203]  (9 , ffffffff)
+SimplePoolFile3...  DEBUG --->Reading Assoc:????/POOLCollectionTree(EventTime) [202]  (10 , ffffffff)
 SimplePoolFile3...  DEBUG ---->ClassID:????
-SimplePoolFile3...  DEBUG --->Reading Assoc:????/MetaData(xAOD::EventFormat_v1/EventFormatStream2) [203]  (a , ffffffff)
+SimplePoolFile3...  DEBUG --->Reading Assoc:????/POOLCollectionTree(EventTimeNanoSec) [202]  (11 , ffffffff)
 SimplePoolFile3...  DEBUG ---->ClassID:????
-SimplePoolFile3...  DEBUG --->Reading Assoc:????/MetaDataHdr(DataHeader) [203]  (b , ffffffff)
+SimplePoolFile3...  DEBUG --->Reading Assoc:????/POOLCollectionTree(BunchId) [202]  (12 , ffffffff)
 SimplePoolFile3...  DEBUG ---->ClassID:????
-SimplePoolFile3...  DEBUG --->Reading Assoc:????/MetaDataHdrForm(DataHeaderForm) [203]  (c , ffffffff)
+SimplePoolFile3...  DEBUG --->Reading Assoc:????/POOLCollectionTree(EventWeight) [202]  (13 , ffffffff)
 SimplePoolFile3...  DEBUG ---->ClassID:????
-##Links             DEBUG No objects passing selection criteria... Container has 11 Entries in total.
+SimplePoolFile3...  DEBUG --->Reading Assoc:????/MetaData(xAOD::FileMetaDataAuxInfo_v1/FileMetaDataAux.) [203]  (14 , ffffffff)
+SimplePoolFile3...  DEBUG ---->ClassID:????
+SimplePoolFile3...  DEBUG --->Reading Assoc:????/MetaData(EventStreamInfo_p3/Stream2) [203]  (15 , ffffffff)
+SimplePoolFile3...  DEBUG ---->ClassID:????
+SimplePoolFile3...  DEBUG --->Reading Assoc:????/MetaData(xAOD::FileMetaData_v1/FileMetaData) [203]  (16 , ffffffff)
+SimplePoolFile3...  DEBUG ---->ClassID:????
+SimplePoolFile3...  DEBUG --->Reading Assoc:????/MetaData(xAOD::EventFormat_v1/EventFormatStream2) [203]  (17 , ffffffff)
+SimplePoolFile3...  DEBUG ---->ClassID:????
+SimplePoolFile3...  DEBUG --->Reading Assoc:????/MetaDataHdr(DataHeader) [203]  (18 , ffffffff)
+SimplePoolFile3...  DEBUG ---->ClassID:????
+SimplePoolFile3...  DEBUG --->Reading Assoc:????/MetaDataHdrForm(DataHeaderForm) [203]  (19 , ffffffff)
+SimplePoolFile3...  DEBUG ---->ClassID:????
+##Links             DEBUG No objects passing selection criteria... Container has 24 Entries in total.
 SimplePoolFile3...  DEBUG --> Access   DbContainer  READ      [ROOT_All] ##Params
 ##Params            DEBUG Opening
 ##Params            DEBUG    attributes# = 1
@@ -1218,11 +1408,6 @@ SimplePoolFile3...  DEBUG --->Reading Param:PFN=[SimplePoolFile3.root]
 SimplePoolFile3...  DEBUG --->Reading Param:POOL_VSN=[1.1]
 SimplePoolFile3...  DEBUG --->Reading Param:FORMAT_VSN=[1.1]
 ##Params            DEBUG No objects passing selection criteria... Container has 4 Entries in total.
-SimplePoolFile3...  DEBUG --> Access   DbContainer  READ      [ROOT_Tree] POOLContainer(DataHeader)
-POOLContainer(D...  DEBUG Opening
-POOLContainer(D...  DEBUG    attributes# = 1
-POOLContainer(D...  DEBUG Branch container 'DataHeader'
-POOLContainer(D...  DEBUG Opened container POOLContainer(DataHeader) of type ROOT_Tree
 RootDatabase.se...  DEBUG Request tree cache 
 RootDatabase.se...  DEBUG File name SimplePoolFile3.root
 RootDatabase.se...  DEBUG Got tree CollectionTree read entry -1
@@ -1232,6 +1417,8 @@ RootDatabase.se...  DEBUG Request tree cache
 RootDatabase.se...  DEBUG File name SimplePoolFile3.root
 RootDatabase.se...  DEBUG Got tree CollectionTree read entry -1
 RootDatabase.se...  DEBUG Using Tree cache. Size: 100000 Nevents to learn with: 6
+PoolSvc              INFO Database (SimplePoolFile3.root) attribute [TREE_CACHE_LEARN_EVENTS]: 6
+PoolSvc              INFO Database (SimplePoolFile3.root) attribute [TREE_CACHE_SIZE]: 100000
 MetaDataSvc         DEBUG handle() BeginInputFile for SimplePoolFile3.root
 MetaDataSvc         DEBUG initInputMetaDataStore: file name SimplePoolFile3.root
 SimplePoolFile3...  DEBUG --> Access   DbContainer  READ      [ROOT_Tree] MetaDataHdr(DataHeader)
@@ -1247,10 +1434,15 @@ MetaDataHdrForm...  DEBUG Opened container MetaDataHdrForm(DataHeaderForm) of ty
 MetaDataSvc         DEBUG Loaded input meta data store proxies
 MetaDataSvc         DEBUG  calling beginInputFile for ToolSvc.IOVDbMetaDataTool
 EventSelector       DEBUG Get AttributeList from the collection
-EventSelector       DEBUG AttributeList size 0
+EventSelector       DEBUG AttributeList size 12
 EventSelector       DEBUG record AthenaAttribute, name = Token = [DB=????][CNT=POOLContainer(DataHeader)][CLID=????][TECH=00000203][OID=00000005-00000000].
 EventSelector       DEBUG record AthenaAttribute, name = eventRef = [DB=????][CNT=POOLContainer(DataHeader)][CLID=????][TECH=00000203][OID=00000005-00000000].
 EventSelector       DEBUG found AthenaAttribute, name = eventRef = [DB=????][CNT=POOLContainer(DataHeader)][CLID=????][TECH=00000203][OID=00000005-00000000]
+SimplePoolFile3...  DEBUG --> Access   DbContainer  READ      [ROOT_Tree] POOLContainer(DataHeader)
+POOLContainer(D...  DEBUG Opening
+POOLContainer(D...  DEBUG    attributes# = 1
+POOLContainer(D...  DEBUG Branch container 'DataHeader'
+POOLContainer(D...  DEBUG Opened container POOLContainer(DataHeader) of type ROOT_Tree
 SimplePoolFile3...  DEBUG --> Access   DbContainer  READ      [ROOT_Tree] POOLContainerForm(DataHeaderForm)
 POOLContainerFo...  DEBUG Opening
 POOLContainerFo...  DEBUG    attributes# = 1
@@ -1259,11 +1451,6 @@ POOLContainerFo...  DEBUG Opened container POOLContainerForm(DataHeaderForm) of
 AthenaPoolAddre...  DEBUG The current Event contains: 3 objects
 AthenaPoolAddre...  DEBUG loadAddresses: DataObject address, clid = 2101, name = McEventInfo
 AthenaPoolAddre...  DEBUG loadAddresses: DataObject address, clid = 9103, name = MyTracks
-SimplePoolFile3...  DEBUG --> Access   DbContainer  READ      [ROOT_Tree] CollectionTree(EventInfo_p4/McEventInfo)
-CollectionTree(...  DEBUG Opening
-CollectionTree(...  DEBUG    attributes# = 1
-CollectionTree(...  DEBUG Branch container 'EventInfo_p4_McEventInfo'
-CollectionTree(...  DEBUG Opened container CollectionTree(EventInfo_p4/McEventInfo) of type ROOT_Tree
 AthenaEventLoopMgr   INFO   ===>>>  start processing event #0, run #1 30 events processed so far  <<<===
 ReadData            DEBUG in execute()
 SimplePoolFile3...  DEBUG --> Access   DbContainer  READ      [ROOT_Tree] MetaData(EventStreamInfo_p3/Stream2)
@@ -1289,9 +1476,11 @@ 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]: 22870
+PoolSvc              INFO Database (SimplePoolFile3.root) attribute [READ_CALLS]: 22
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #0, run #1 31 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
-EventSelector       DEBUG AttributeList size 0
+EventSelector       DEBUG AttributeList size 12
 EventSelector       DEBUG record AthenaAttribute, name = Token = [DB=????][CNT=POOLContainer(DataHeader)][CLID=????][TECH=00000203][OID=00000005-00000001].
 EventSelector       DEBUG record AthenaAttribute, name = eventRef = [DB=????][CNT=POOLContainer(DataHeader)][CLID=????][TECH=00000203][OID=00000005-00000001].
 EventSelector       DEBUG found AthenaAttribute, name = eventRef = [DB=????][CNT=POOLContainer(DataHeader)][CLID=????][TECH=00000203][OID=00000005-00000001]
@@ -1313,9 +1502,11 @@ 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]: 22870
+PoolSvc              INFO Database (SimplePoolFile3.root) attribute [READ_CALLS]: 22
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #1, run #1 32 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
-EventSelector       DEBUG AttributeList size 0
+EventSelector       DEBUG AttributeList size 12
 EventSelector       DEBUG record AthenaAttribute, name = Token = [DB=????][CNT=POOLContainer(DataHeader)][CLID=????][TECH=00000203][OID=00000005-00000002].
 EventSelector       DEBUG record AthenaAttribute, name = eventRef = [DB=????][CNT=POOLContainer(DataHeader)][CLID=????][TECH=00000203][OID=00000005-00000002].
 EventSelector       DEBUG found AthenaAttribute, name = eventRef = [DB=????][CNT=POOLContainer(DataHeader)][CLID=????][TECH=00000203][OID=00000005-00000002]
@@ -1337,9 +1528,11 @@ 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]: 22870
+PoolSvc              INFO Database (SimplePoolFile3.root) attribute [READ_CALLS]: 22
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #2, run #1 33 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
-EventSelector       DEBUG AttributeList size 0
+EventSelector       DEBUG AttributeList size 12
 EventSelector       DEBUG record AthenaAttribute, name = Token = [DB=????][CNT=POOLContainer(DataHeader)][CLID=????][TECH=00000203][OID=00000005-00000003].
 EventSelector       DEBUG record AthenaAttribute, name = eventRef = [DB=????][CNT=POOLContainer(DataHeader)][CLID=????][TECH=00000203][OID=00000005-00000003].
 EventSelector       DEBUG found AthenaAttribute, name = eventRef = [DB=????][CNT=POOLContainer(DataHeader)][CLID=????][TECH=00000203][OID=00000005-00000003]
@@ -1361,9 +1554,11 @@ 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]: 22870
+PoolSvc              INFO Database (SimplePoolFile3.root) attribute [READ_CALLS]: 22
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #3, run #1 34 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
-EventSelector       DEBUG AttributeList size 0
+EventSelector       DEBUG AttributeList size 12
 EventSelector       DEBUG record AthenaAttribute, name = Token = [DB=????][CNT=POOLContainer(DataHeader)][CLID=????][TECH=00000203][OID=00000005-00000004].
 EventSelector       DEBUG record AthenaAttribute, name = eventRef = [DB=????][CNT=POOLContainer(DataHeader)][CLID=????][TECH=00000203][OID=00000005-00000004].
 EventSelector       DEBUG found AthenaAttribute, name = eventRef = [DB=????][CNT=POOLContainer(DataHeader)][CLID=????][TECH=00000203][OID=00000005-00000004]
@@ -1385,9 +1580,11 @@ 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]: 22870
+PoolSvc              INFO Database (SimplePoolFile3.root) attribute [READ_CALLS]: 22
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #4, run #1 35 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
-EventSelector       DEBUG AttributeList size 0
+EventSelector       DEBUG AttributeList size 12
 EventSelector       DEBUG record AthenaAttribute, name = Token = [DB=????][CNT=POOLContainer(DataHeader)][CLID=????][TECH=00000203][OID=00000005-00000005].
 EventSelector       DEBUG record AthenaAttribute, name = eventRef = [DB=????][CNT=POOLContainer(DataHeader)][CLID=????][TECH=00000203][OID=00000005-00000005].
 EventSelector       DEBUG found AthenaAttribute, name = eventRef = [DB=????][CNT=POOLContainer(DataHeader)][CLID=????][TECH=00000203][OID=00000005-00000005]
@@ -1409,9 +1606,11 @@ 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]: 22870
+PoolSvc              INFO Database (SimplePoolFile3.root) attribute [READ_CALLS]: 22
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #5, run #1 36 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
-EventSelector       DEBUG AttributeList size 0
+EventSelector       DEBUG AttributeList size 12
 EventSelector       DEBUG record AthenaAttribute, name = Token = [DB=????][CNT=POOLContainer(DataHeader)][CLID=????][TECH=00000203][OID=00000005-00000006].
 EventSelector       DEBUG record AthenaAttribute, name = eventRef = [DB=????][CNT=POOLContainer(DataHeader)][CLID=????][TECH=00000203][OID=00000005-00000006].
 EventSelector       DEBUG found AthenaAttribute, name = eventRef = [DB=????][CNT=POOLContainer(DataHeader)][CLID=????][TECH=00000203][OID=00000005-00000006]
@@ -1433,9 +1632,11 @@ 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]: 22870
+PoolSvc              INFO Database (SimplePoolFile3.root) attribute [READ_CALLS]: 22
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #6, run #1 37 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
-EventSelector       DEBUG AttributeList size 0
+EventSelector       DEBUG AttributeList size 12
 EventSelector       DEBUG record AthenaAttribute, name = Token = [DB=????][CNT=POOLContainer(DataHeader)][CLID=????][TECH=00000203][OID=00000005-00000007].
 EventSelector       DEBUG record AthenaAttribute, name = eventRef = [DB=????][CNT=POOLContainer(DataHeader)][CLID=????][TECH=00000203][OID=00000005-00000007].
 EventSelector       DEBUG found AthenaAttribute, name = eventRef = [DB=????][CNT=POOLContainer(DataHeader)][CLID=????][TECH=00000203][OID=00000005-00000007]
@@ -1457,9 +1658,11 @@ 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]: 22870
+PoolSvc              INFO Database (SimplePoolFile3.root) attribute [READ_CALLS]: 22
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #7, run #1 38 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
-EventSelector       DEBUG AttributeList size 0
+EventSelector       DEBUG AttributeList size 12
 EventSelector       DEBUG record AthenaAttribute, name = Token = [DB=????][CNT=POOLContainer(DataHeader)][CLID=????][TECH=00000203][OID=00000005-00000008].
 EventSelector       DEBUG record AthenaAttribute, name = eventRef = [DB=????][CNT=POOLContainer(DataHeader)][CLID=????][TECH=00000203][OID=00000005-00000008].
 EventSelector       DEBUG found AthenaAttribute, name = eventRef = [DB=????][CNT=POOLContainer(DataHeader)][CLID=????][TECH=00000203][OID=00000005-00000008]
@@ -1481,9 +1684,11 @@ 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]: 22870
+PoolSvc              INFO Database (SimplePoolFile3.root) attribute [READ_CALLS]: 22
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #8, run #1 39 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
-EventSelector       DEBUG AttributeList size 0
+EventSelector       DEBUG AttributeList size 12
 EventSelector       DEBUG record AthenaAttribute, name = Token = [DB=????][CNT=POOLContainer(DataHeader)][CLID=????][TECH=00000203][OID=00000005-00000009].
 EventSelector       DEBUG record AthenaAttribute, name = eventRef = [DB=????][CNT=POOLContainer(DataHeader)][CLID=????][TECH=00000203][OID=00000005-00000009].
 EventSelector       DEBUG found AthenaAttribute, name = eventRef = [DB=????][CNT=POOLContainer(DataHeader)][CLID=????][TECH=00000203][OID=00000005-00000009]
@@ -1505,9 +1710,11 @@ 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]: 22870
+PoolSvc              INFO Database (SimplePoolFile3.root) attribute [READ_CALLS]: 22
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #9, run #1 40 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
-EventSelector       DEBUG AttributeList size 0
+EventSelector       DEBUG AttributeList size 12
 EventSelector       DEBUG record AthenaAttribute, name = Token = [DB=????][CNT=POOLContainer(DataHeader)][CLID=????][TECH=00000203][OID=00000005-0000000A].
 EventSelector       DEBUG record AthenaAttribute, name = eventRef = [DB=????][CNT=POOLContainer(DataHeader)][CLID=????][TECH=00000203][OID=00000005-0000000A].
 EventSelector       DEBUG found AthenaAttribute, name = eventRef = [DB=????][CNT=POOLContainer(DataHeader)][CLID=????][TECH=00000203][OID=00000005-0000000A]
@@ -1529,9 +1736,11 @@ 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]: 22870
+PoolSvc              INFO Database (SimplePoolFile3.root) attribute [READ_CALLS]: 22
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #10, run #1 41 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
-EventSelector       DEBUG AttributeList size 0
+EventSelector       DEBUG AttributeList size 12
 EventSelector       DEBUG record AthenaAttribute, name = Token = [DB=????][CNT=POOLContainer(DataHeader)][CLID=????][TECH=00000203][OID=00000005-0000000B].
 EventSelector       DEBUG record AthenaAttribute, name = eventRef = [DB=????][CNT=POOLContainer(DataHeader)][CLID=????][TECH=00000203][OID=00000005-0000000B].
 EventSelector       DEBUG found AthenaAttribute, name = eventRef = [DB=????][CNT=POOLContainer(DataHeader)][CLID=????][TECH=00000203][OID=00000005-0000000B]
@@ -1553,9 +1762,11 @@ 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]: 22870
+PoolSvc              INFO Database (SimplePoolFile3.root) attribute [READ_CALLS]: 22
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #11, run #1 42 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
-EventSelector       DEBUG AttributeList size 0
+EventSelector       DEBUG AttributeList size 12
 EventSelector       DEBUG record AthenaAttribute, name = Token = [DB=????][CNT=POOLContainer(DataHeader)][CLID=????][TECH=00000203][OID=00000005-0000000C].
 EventSelector       DEBUG record AthenaAttribute, name = eventRef = [DB=????][CNT=POOLContainer(DataHeader)][CLID=????][TECH=00000203][OID=00000005-0000000C].
 EventSelector       DEBUG found AthenaAttribute, name = eventRef = [DB=????][CNT=POOLContainer(DataHeader)][CLID=????][TECH=00000203][OID=00000005-0000000C]
@@ -1577,9 +1788,11 @@ 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]: 22870
+PoolSvc              INFO Database (SimplePoolFile3.root) attribute [READ_CALLS]: 22
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #12, run #1 43 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
-EventSelector       DEBUG AttributeList size 0
+EventSelector       DEBUG AttributeList size 12
 EventSelector       DEBUG record AthenaAttribute, name = Token = [DB=????][CNT=POOLContainer(DataHeader)][CLID=????][TECH=00000203][OID=00000005-0000000D].
 EventSelector       DEBUG record AthenaAttribute, name = eventRef = [DB=????][CNT=POOLContainer(DataHeader)][CLID=????][TECH=00000203][OID=00000005-0000000D].
 EventSelector       DEBUG found AthenaAttribute, name = eventRef = [DB=????][CNT=POOLContainer(DataHeader)][CLID=????][TECH=00000203][OID=00000005-0000000D]
@@ -1601,9 +1814,11 @@ 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]: 22870
+PoolSvc              INFO Database (SimplePoolFile3.root) attribute [READ_CALLS]: 22
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #13, run #1 44 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
-EventSelector       DEBUG AttributeList size 0
+EventSelector       DEBUG AttributeList size 12
 EventSelector       DEBUG record AthenaAttribute, name = Token = [DB=????][CNT=POOLContainer(DataHeader)][CLID=????][TECH=00000203][OID=00000005-0000000E].
 EventSelector       DEBUG record AthenaAttribute, name = eventRef = [DB=????][CNT=POOLContainer(DataHeader)][CLID=????][TECH=00000203][OID=00000005-0000000E].
 EventSelector       DEBUG found AthenaAttribute, name = eventRef = [DB=????][CNT=POOLContainer(DataHeader)][CLID=????][TECH=00000203][OID=00000005-0000000E]
@@ -1625,9 +1840,11 @@ 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]: 22870
+PoolSvc              INFO Database (SimplePoolFile3.root) attribute [READ_CALLS]: 22
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #14, run #1 45 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
-EventSelector       DEBUG AttributeList size 0
+EventSelector       DEBUG AttributeList size 12
 EventSelector       DEBUG record AthenaAttribute, name = Token = [DB=????][CNT=POOLContainer(DataHeader)][CLID=????][TECH=00000203][OID=00000005-0000000F].
 EventSelector       DEBUG record AthenaAttribute, name = eventRef = [DB=????][CNT=POOLContainer(DataHeader)][CLID=????][TECH=00000203][OID=00000005-0000000F].
 EventSelector       DEBUG found AthenaAttribute, name = eventRef = [DB=????][CNT=POOLContainer(DataHeader)][CLID=????][TECH=00000203][OID=00000005-0000000F]
@@ -1649,9 +1866,11 @@ 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]: 22870
+PoolSvc              INFO Database (SimplePoolFile3.root) attribute [READ_CALLS]: 22
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #15, run #1 46 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
-EventSelector       DEBUG AttributeList size 0
+EventSelector       DEBUG AttributeList size 12
 EventSelector       DEBUG record AthenaAttribute, name = Token = [DB=????][CNT=POOLContainer(DataHeader)][CLID=????][TECH=00000203][OID=00000005-00000010].
 EventSelector       DEBUG record AthenaAttribute, name = eventRef = [DB=????][CNT=POOLContainer(DataHeader)][CLID=????][TECH=00000203][OID=00000005-00000010].
 EventSelector       DEBUG found AthenaAttribute, name = eventRef = [DB=????][CNT=POOLContainer(DataHeader)][CLID=????][TECH=00000203][OID=00000005-00000010]
@@ -1673,9 +1892,11 @@ 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]: 22870
+PoolSvc              INFO Database (SimplePoolFile3.root) attribute [READ_CALLS]: 22
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #16, run #1 47 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
-EventSelector       DEBUG AttributeList size 0
+EventSelector       DEBUG AttributeList size 12
 EventSelector       DEBUG record AthenaAttribute, name = Token = [DB=????][CNT=POOLContainer(DataHeader)][CLID=????][TECH=00000203][OID=00000005-00000011].
 EventSelector       DEBUG record AthenaAttribute, name = eventRef = [DB=????][CNT=POOLContainer(DataHeader)][CLID=????][TECH=00000203][OID=00000005-00000011].
 EventSelector       DEBUG found AthenaAttribute, name = eventRef = [DB=????][CNT=POOLContainer(DataHeader)][CLID=????][TECH=00000203][OID=00000005-00000011]
@@ -1697,9 +1918,11 @@ 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]: 22870
+PoolSvc              INFO Database (SimplePoolFile3.root) attribute [READ_CALLS]: 22
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #17, run #1 48 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
-EventSelector       DEBUG AttributeList size 0
+EventSelector       DEBUG AttributeList size 12
 EventSelector       DEBUG record AthenaAttribute, name = Token = [DB=????][CNT=POOLContainer(DataHeader)][CLID=????][TECH=00000203][OID=00000005-00000012].
 EventSelector       DEBUG record AthenaAttribute, name = eventRef = [DB=????][CNT=POOLContainer(DataHeader)][CLID=????][TECH=00000203][OID=00000005-00000012].
 EventSelector       DEBUG found AthenaAttribute, name = eventRef = [DB=????][CNT=POOLContainer(DataHeader)][CLID=????][TECH=00000203][OID=00000005-00000012]
@@ -1721,9 +1944,11 @@ 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]: 22870
+PoolSvc              INFO Database (SimplePoolFile3.root) attribute [READ_CALLS]: 22
 AthenaEventLoopMgr   INFO   ===>>>  done processing event #18, run #1 49 events processed so far  <<<===
 EventSelector       DEBUG Get AttributeList from the collection
-EventSelector       DEBUG AttributeList size 0
+EventSelector       DEBUG AttributeList size 12
 EventSelector       DEBUG record AthenaAttribute, name = Token = [DB=????][CNT=POOLContainer(DataHeader)][CLID=????][TECH=00000203][OID=00000005-00000013].
 EventSelector       DEBUG record AthenaAttribute, name = eventRef = [DB=????][CNT=POOLContainer(DataHeader)][CLID=????][TECH=00000203][OID=00000005-00000013].
 EventSelector       DEBUG found AthenaAttribute, name = eventRef = [DB=????][CNT=POOLContainer(DataHeader)][CLID=????][TECH=00000203][OID=00000005-00000013]
@@ -1745,18 +1970,28 @@ 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]: 22870
+PoolSvc              INFO Database (SimplePoolFile3.root) attribute [READ_CALLS]: 22
 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] 
 AthenaEventLoopMgr   INFO No more events in event selection 
 MetaDataSvc         DEBUG MetaDataSvc::stop()
 ApplicationMgr       INFO Application Manager Stopped successfully
+IncidentProcAlg1     INFO Finalize
 ReadData             INFO in finalize()
+IncidentProcAlg2     INFO Finalize
 AthDictLoaderSvc     INFO in finalize...
 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=  0.0847(+-   0.917)/       0/      10 [ms] #=118
+cObj_ALL             INFO Time User   : Tot=   20 [ms] Ave/Min/Max=   0.183(+-    1.34)/       0/      10 [ms] #=109
+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/OutputStreamAthenaPool/python/CreateOutputStreams.py b/Database/AthenaPOOL/OutputStreamAthenaPool/python/CreateOutputStreams.py
index 261097117ea62a2345cdf30de86d41ec0ca0ecc5..2747cf7cc8edc29230a9d7bcaaf5b51f01abf955 100644
--- a/Database/AthenaPOOL/OutputStreamAthenaPool/python/CreateOutputStreams.py
+++ b/Database/AthenaPOOL/OutputStreamAthenaPool/python/CreateOutputStreams.py
@@ -47,10 +47,10 @@ def createOutputStream( streamName, fileName = "", asAlg = False, noTag = False,
 
    doTag = not noTag
    if doTag:
+      key = "SimpleTag"
+      # Tell tool to pick it up
+      outputStream.WritingTool.AttributeListKey=key
       if ('EventInfoTagBuilder/EventInfoTagBuilder' not in topSequence.getProperties()['Members']):
-         key = "SimpleTag"
-         # Tell tool to pick it up
-         outputStream.WritingTool.AttributeListKey=key
          # build eventinfo attribute list
          from .OutputStreamAthenaPoolConf import EventInfoAttListTool, EventInfoTagBuilder
          EventInfoTagBuilder = EventInfoTagBuilder(AttributeList=key, EventInfoKey=eventInfoKey, FilterString=decisionFilter,