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Commit 9a1f15b3 authored by Holger Levsen's avatar Holger Levsen
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more stabbing after re-reading https://jenkins.io/blog/2016/11/21/gc-tuning/ 



Signed-off-by: Holger Levsen's avatarHolger Levsen <holger@layer-acht.org>
parent c0dd6923
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hosts/jenkins/etc/default/jenkins
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...@@ -17,7 +17,7 @@ JAVA_ARGS="-Djava.awt.headless=true" ...@@ -17,7 +17,7 @@ JAVA_ARGS="-Djava.awt.headless=true"
#JAVA_ARGS="-Xmx256m" #JAVA_ARGS="-Xmx256m"
#JAVA_ARGS="-Djava.net.preferIPv4Stack=true" # make jenkins listen on IPv4 address #JAVA_ARGS="-Djava.net.preferIPv4Stack=true" # make jenkins listen on IPv4 address
# See some recommendation from https://jenkins.io/blog/2016/11/21/gc-tuning/ # See some recommendation from https://jenkins.io/blog/2016/11/21/gc-tuning/
JAVA_ARGS="$JAVA_ARGS -Xms4G -Xmx8G" # heap settings JAVA_ARGS="$JAVA_ARGS -Xms8G -Xmx24G" # heap settings
JAVA_ARGS="$JAVA_ARGS -server -XX:+AlwaysPreTouch" JAVA_ARGS="$JAVA_ARGS -server -XX:+AlwaysPreTouch"
# store heap dumps in case of OOM, to investigate it later # store heap dumps in case of OOM, to investigate it later
JAVA_ARGS="$JAVA_ARGS -XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=$JENKINS_HOME/heapDumps/" JAVA_ARGS="$JAVA_ARGS -XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=$JENKINS_HOME/heapDumps/"
...@@ -30,8 +30,8 @@ JAVA_ARGS="$JAVA_ARGS -XX:+PrintGCCause -XX:+PrintTenuringDistribution -XX:+Prin ...@@ -30,8 +30,8 @@ JAVA_ARGS="$JAVA_ARGS -XX:+PrintGCCause -XX:+PrintTenuringDistribution -XX:+Prin
JAVA_ARGS="$JAVA_ARGS -XX:+UseG1GC -XX:+ExplicitGCInvokesConcurrent -XX:+ParallelRefProcEnabled -XX:+UseStringDeduplication" JAVA_ARGS="$JAVA_ARGS -XX:+UseG1GC -XX:+ExplicitGCInvokesConcurrent -XX:+ParallelRefProcEnabled -XX:+UseStringDeduplication"
JAVA_ARGS="$JAVA_ARGS -XX:+UnlockExperimentalVMOptions -XX:G1NewSizePercent=20 -XX:+UnlockDiagnosticVMOptions -XX:G1SummarizeRSetStatsPeriod=1" JAVA_ARGS="$JAVA_ARGS -XX:+UnlockExperimentalVMOptions -XX:G1NewSizePercent=20 -XX:+UnlockDiagnosticVMOptions -XX:G1SummarizeRSetStatsPeriod=1"
# h01ger trying stuff # h01ger trying stuff
JAVA_ARGS="$JAVA_ARGS -XX:+UseCompressedOops" JAVA_ARGS="$JAVA_ARGS -XX:+UseCompressedOops -XX:+UseCompressedClassPointers"
MALLOC_ARENA_MAX=2 export MALLOC_ARENA_MAX=2
# make jenkins listen on IPv4 address # make jenkins listen on IPv4 address
#JAVA_ARGS="-Djava.net.preferIPv4Stack=true" #JAVA_ARGS="-Djava.net.preferIPv4Stack=true"
......
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