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 a2e3ba9f6eee53dceab8e6d07ff4dca5a1e3387b..a1c8acb8defbc58794d71e56b127ad4d55f4f794 100755
--- a/Tools/Tier0ChainTests/test/test_q221_mp.sh
+++ b/Tools/Tier0ChainTests/test/test_q221_mp.sh
@@ -9,7 +9,7 @@
 # art-include: 21.9/Athena
 # art-athena-mt: 8
 
-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
@@ -17,6 +17,6 @@ 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 74052fae96f1273f3e58191e1c4431f0afe867a1..ed20b26e137848ed2afd257d43edd741dcb084b1 100755
--- a/Tools/Tier0ChainTests/test/test_q221_mt.sh
+++ b/Tools/Tier0ChainTests/test/test_q221_mt.sh
@@ -5,7 +5,7 @@
 # art-include: master/Athena
 # art-athena-mt: 8
 
-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
@@ -13,5 +13,5 @@ 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 bafb7fa6b40425deca391cce290a44518bbe09d8..4172e62e27df3e4ca3193540c43eb34339ca686d 100755
--- a/Tools/Tier0ChainTests/test/test_q431_mp.sh
+++ b/Tools/Tier0ChainTests/test/test_q431_mp.sh
@@ -9,10 +9,10 @@
 # art-include: 21.9/Athena
 # art-athena-mt: 8
 
-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 a4de91f041acb768755f0d33d27a98ade9397422..8dbd6048c606589b2d108c9df94892c2826c5041 100755
--- a/Tools/Tier0ChainTests/test/test_q431_mt.sh
+++ b/Tools/Tier0ChainTests/test/test_q431_mt.sh
@@ -5,10 +5,10 @@
 # art-include: master/Athena
 # art-athena-mt: 8
 
-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"