diff --git a/Tools/Tier0ChainTests/test/test_q221.sh b/Tools/Tier0ChainTests/test/test_q221.sh
index e40936e53fb8827390a56f112f26316a8760b255..75bbcdd31b67ad501fc0d6533223275d5eb7b722 100755
--- a/Tools/Tier0ChainTests/test/test_q221.sh
+++ b/Tools/Tier0ChainTests/test/test_q221.sh
@@ -8,7 +8,7 @@
 # art-include: 21.3/Athena
 # art-include: 21.9/Athena
 
-Reco_tf.py --AMI=q221 --outputRDOFile=myRDO.pool.root --outputAODFile=myAOD.pool.root --outputESDFile=myESD.pool.root --outputHISTFile=myHIST.root --imf False  --preExec="all:from IOVDbSvc.CondDB import conddb; conddb.addOverride('/PIXEL/PixMapOverlay','PixMapOverlay-SIM-MC16-000-03');"
+Reco_tf.py --AMI=q221 --outputRDOFile=myRDO.pool.root --outputAODFile=myAOD.pool.root --outputESDFile=myESD.pool.root --outputHISTFile=myHIST.root --imf False  --preExec="all:from IOVDbSvc.CondDB import conddb; conddb.addOverride('/PIXEL/PixMapOverlay','PixMapOverlay-SIM-MC16-000-03');" --maxEvents=100
 echo "art-result: $? Reco"
 
 Reco_tf.py --validationFlags 'doExample,doMET,doPFlow,doTau,doEgamma,doBtag,doZee,doJet,doTopoCluster,doMuon,doTrigMinBias,doTrigIDtrk,doTrigBphys,doTrigMET,doTrigJet,doTrigTau, doTrigEgamma,doTrigMuon,doTrigBjet,doTrigHLTResult' --inputAODFile=myAOD.pool.root  --outputNTUP_PHYSVALFile=myNTUP_PHYSVAL.root
@@ -16,5 +16,5 @@ echo "art-result: $? PhysVal"
 
 ArtPackage=$1
 ArtJobName=$2
-art.py compare grid --entries 10 ${ArtPackage} ${ArtJobName}
+art.py compare grid --entries 30 ${ArtPackage} ${ArtJobName}
 echo "art-result: $? Diff"
diff --git a/Tools/Tier0ChainTests/test/test_q221_mp.sh b/Tools/Tier0ChainTests/test/test_q221_mp.sh
index 679fcf87c8f0b6dd713c23196fffd12cf8c6a961..122492fbd0145f62c0f0c5d38a5549fc2592e586 100755
--- a/Tools/Tier0ChainTests/test/test_q221_mp.sh
+++ b/Tools/Tier0ChainTests/test/test_q221_mp.sh
@@ -8,7 +8,7 @@
 # art-include: 21.3/Athena
 # art-include: 21.9/Athena
 
-Reco_tf.py --AMI=q221 --athenaopts='--nprocs=2' --outputRDOFile=myRDO.pool.root --outputAODFile=myAOD.pool.root --outputESDFile=myESD.pool.root --outputHISTFile=myHIST.root --imf False  --preExec="all:from IOVDbSvc.CondDB import conddb; conddb.addOverride('/PIXEL/PixMapOverlay','PixMapOverlay-SIM-MC16-000-03');" 
+Reco_tf.py --AMI=q221 --athenaopts='--nprocs=8' --outputRDOFile=myRDO.pool.root --outputAODFile=myAOD.pool.root --outputESDFile=myESD.pool.root --outputHISTFile=myHIST.root --imf False  --preExec="all:from IOVDbSvc.CondDB import conddb; conddb.addOverride('/PIXEL/PixMapOverlay','PixMapOverlay-SIM-MC16-000-03');" --maxEvents=100
 echo "art-result: $? Reco"
 
 Reco_tf.py --validationFlags 'doExample,doMET,doPFlow,doTau,doEgamma,doBtag,doZee,doJet,doTopoCluster,doMuon,doTrigMinBias,doTrigIDtrk,doTrigBphys,doTrigMET,doTrigJet,doTrigTau, doTrigEgamma,doTrigMuon,doTrigBjet,doTrigHLTResult' --inputAODFile=myAOD.pool.root  --outputNTUP_PHYSVALFile=myNTUP_PHYSVAL.root
@@ -16,6 +16,6 @@ echo "art-result: $? PhysVal"
 
 ArtPackage=$1
 ArtJobName=$2
-art.py compare grid --entries 10 ${ArtPackage} ${ArtJobName}
+art.py compare grid --entries 30 ${ArtPackage} ${ArtJobName}
 echo "art-result: $? Diff"
 
diff --git a/Tools/Tier0ChainTests/test/test_q221_mt.sh b/Tools/Tier0ChainTests/test/test_q221_mt.sh
index 76b3d511b6dae22f310c887606d050f8a79330a2..9f4361c0af9b35ed77616780c02f5fb8f73b0ae5 100755
--- a/Tools/Tier0ChainTests/test/test_q221_mt.sh
+++ b/Tools/Tier0ChainTests/test/test_q221_mt.sh
@@ -8,7 +8,7 @@
 # art-include: 21.3/Athena
 # art-include: 21.9/Athena
 
-Reco_tf.py --AMI=q221 --athenaopts='--threads=1' --outputRDOFile=myRDO.pool.root --outputAODFile=myAOD.pool.root --outputESDFile=myESD.pool.root --imf False  --preExec="all:from IOVDbSvc.CondDB import conddb; conddb.addOverride('/PIXEL/PixMapOverlay','PixMapOverlay-SIM-MC16-000-03');"
+Reco_tf.py --AMI=q221 --athenaopts='--threads=8' --outputRDOFile=myRDO.pool.root --outputAODFile=myAOD.pool.root --outputESDFile=myESD.pool.root --imf False  --preExec="all:from IOVDbSvc.CondDB import conddb; conddb.addOverride('/PIXEL/PixMapOverlay','PixMapOverlay-SIM-MC16-000-03');" --maxEvents=100
 echo "art-result: $? Reco"
 
 Reco_tf.py --validationFlags 'doExample,doMET,doPFlow,doTau,doEgamma,doBtag,doZee,doJet,doTopoCluster,doMuon,doTrigMinBias,doTrigIDtrk,doTrigBphys,doTrigMET,doTrigJet,doTrigTau, doTrigEgamma,doTrigMuon,doTrigBjet,doTrigHLTResult' --inputAODFile=myAOD.pool.root  --outputNTUP_PHYSVALFile=myNTUP_PHYSVAL.root
@@ -16,5 +16,5 @@ echo "art-result: $? PhysVal"
 
 ArtPackage=$1
 ArtJobName=$2
-art.py compare grid --entries 10 ${ArtPackage} ${ArtJobName}
+art.py compare grid --entries 30 ${ArtPackage} ${ArtJobName}
 echo "art-result: $? Diff"
diff --git a/Tools/Tier0ChainTests/test/test_q431.sh b/Tools/Tier0ChainTests/test/test_q431.sh
index 47d12d3c523e56673b7b9b938351530d8ae685ee..89e28b361c3d837da59a59bc35f9c5b62dcd72f0 100755
--- a/Tools/Tier0ChainTests/test/test_q431.sh
+++ b/Tools/Tier0ChainTests/test/test_q431.sh
@@ -8,10 +8,10 @@
 # art-include: 21.3/Athena
 # art-include: 21.9/Athena
 
-Reco_tf.py --AMI=q431 --outputAODFile=myAOD.pool.root --outputESDFile=myESD.pool.root --outputHISTFile=myHIST.root --imf False --maxEvents=1000
+Reco_tf.py --AMI=q431 --outputAODFile=myAOD.pool.root --outputESDFile=myESD.pool.root --outputHISTFile=myHIST.root --imf False --maxEvents=100
 echo "art-result: $? Reco"
 
 ArtPackage=$1
 ArtJobName=$2
-art.py compare grid --entries 10 ${ArtPackage} ${ArtJobName}
+art.py compare grid --entries 30 ${ArtPackage} ${ArtJobName}
 echo "art-result: $? Diff"
diff --git a/Tools/Tier0ChainTests/test/test_q431_mp.sh b/Tools/Tier0ChainTests/test/test_q431_mp.sh
index c3682da02683f638dfe30715b740bf2ea620f30e..c3b04b17d8adb7cb0fd4379495e00ca9fc77793b 100755
--- a/Tools/Tier0ChainTests/test/test_q431_mp.sh
+++ b/Tools/Tier0ChainTests/test/test_q431_mp.sh
@@ -8,10 +8,10 @@
 # art-include: 21.3/Athena
 # art-include: 21.9/Athena
 
-Reco_tf.py --AMI=q431 --athenaopts='--nprocs=2' --outputAODFile=myAOD.pool.root --outputESDFile=myESD.pool.root --outputHISTFile=myHIST.root --imf False --maxEvents=1000
+Reco_tf.py --AMI=q431 --athenaopts='--nprocs=8' --outputAODFile=myAOD.pool.root --outputESDFile=myESD.pool.root --outputHISTFile=myHIST.root --imf False --maxEvents=100
 echo "art-result: $? Reco"
 
 ArtPackage=$1
 ArtJobName=$2
-art.py compare grid --entries 10 ${ArtPackage} ${ArtJobName}
+art.py compare grid --entries 30 ${ArtPackage} ${ArtJobName}
 echo "art-result: $? Diff"
diff --git a/Tools/Tier0ChainTests/test/test_q431_mt.sh b/Tools/Tier0ChainTests/test/test_q431_mt.sh
index a755a1d7b1f1f7f0a78e99d775e795c1e6c564c6..aa2d1cf58f655e2bed90523a2a5a537518088fec 100755
--- a/Tools/Tier0ChainTests/test/test_q431_mt.sh
+++ b/Tools/Tier0ChainTests/test/test_q431_mt.sh
@@ -8,10 +8,10 @@
 # art-include: 21.3/Athena
 # art-include: 21.9/Athena
 
-Reco_tf.py --AMI=q431 --athenaopts='--threads=2' --outputAODFile=myAOD.pool.root --outputESDFile=myESD.pool.root --imf False --maxEvents=1000
+Reco_tf.py --AMI=q431 --athenaopts='--threads=8' --outputAODFile=myAOD.pool.root --outputESDFile=myESD.pool.root --imf False --maxEvents=100
 echo "art-result: $? Reco"
 
 ArtPackage=$1
 ArtJobName=$2
-art.py compare grid --entries 10 ${ArtPackage} ${ArtJobName}
+art.py compare grid --entries 30 ${ArtPackage} ${ArtJobName}
 echo "art-result: $? Diff"