Commit 005aab43 authored by Holger Levsen's avatar Holger Levsen
Browse files

jenkins: increase heap size further and drop all other java args 



Signed-off-by: default avatarHolger Levsen <holger@layer-acht.org>
parent cfea47fd

bin/start-slave.sh

+4 −3
Original line number Diff line number Diff line
@@ -17,6 +17,7 @@ if [ -f "$f" ]; then 
fi



echo "This jenkins slave.jar will run as PID $$."

export JAVA_ARGS="-Xms768M -Xmx768M"

export MALLOC_ARENA_MAX=1

exec java $JAVA_ARGS -jar /var/lib/jenkins/slave.jar
 
#export JAVA_ARGS="-Xms768M -Xmx768M"

#export MALLOC_ARENA_MAX=1

#exec java $JAVA_ARGS -jar /var/lib/jenkins/slave.jar

exec java -jar /var/lib/jenkins/slave.jar

hosts/jenkins/etc/default/jenkins

+11 −10
Original line number Diff line number Diff line
@@ -16,20 +16,21 @@ JAVA_ARGS="-Djava.awt.headless=true" 


#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/

JAVA_ARGS="$JAVA_ARGS -Xms20G -Xmx20G"  # heap settings

JAVA_ARGS="$JAVA_ARGS -server -XX:+AlwaysPreTouch"

JAVA_ARGS="$JAVA_ARGS -Xms20G -Xmx40G"  # heap settings

JAVA_ARGS="$JAVA_ARGS -server "

#JAVA_ARGS="$JAVA_ARGS -XX:+AlwaysPreTouch"

# 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/"

# GC logging, in case somebody ever wants to actually finely tune the GC for us...

JAVA_ARGS="$JAVA_ARGS -Xloggc:$JENKINS_HOME/javaGC/gc-%t.log -XX:NumberOfGCLogFiles=5"

JAVA_ARGS="$JAVA_ARGS -XX:+UseGCLogFileRotation -XX:GCLogFileSize=20m -XX:+PrintGC"

JAVA_ARGS="$JAVA_ARGS -XX:+PrintGCDateStamps -XX:+PrintGCDetails -XX:+PrintHeapAtGC"

JAVA_ARGS="$JAVA_ARGS -XX:+PrintGCCause -XX:+PrintTenuringDistribution -XX:+PrintReferenceGC -XX:+PrintAdaptiveSizePolicy"

#JAVA_ARGS="$JAVA_ARGS -Xloggc:$JENKINS_HOME/javaGC/gc-%t.log -XX:NumberOfGCLogFiles=5"

#JAVA_ARGS="$JAVA_ARGS -XX:+UseGCLogFileRotation -XX:GCLogFileSize=20m -XX:+PrintGC"

#JAVA_ARGS="$JAVA_ARGS -XX:+PrintGCDateStamps -XX:+PrintGCDetails -XX:+PrintHeapAtGC"

#JAVA_ARGS="$JAVA_ARGS -XX:+PrintGCCause -XX:+PrintTenuringDistribution -XX:+PrintReferenceGC -XX:+PrintAdaptiveSizePolicy"

# G1 GC settings

JAVA_ARGS="$JAVA_ARGS -XX:+UseG1GC -XX:+ExplicitGCInvokesConcurrent -XX:+ParallelRefProcEnabled -XX:+UseStringDeduplication"

JAVA_ARGS="$JAVA_ARGS -XX:+UnlockExperimentalVMOptions -XX:G1NewSizePercent=10 -XX:+UnlockDiagnosticVMOptions -XX:G1SummarizeRSetStatsPeriod=1"

#JAVA_ARGS="$JAVA_ARGS -XX:+UseG1GC -XX:+ExplicitGCInvokesConcurrent -XX:+ParallelRefProcEnabled -XX:+UseStringDeduplication"

#JAVA_ARGS="$JAVA_ARGS -XX:+UnlockExperimentalVMOptions -XX:G1NewSizePercent=10 -XX:+UnlockDiagnosticVMOptions -XX:G1SummarizeRSetStatsPeriod=1"

# h01ger trying stuff

export MALLOC_ARENA_MAX=1

#export MALLOC_ARENA_MAX=1



# make jenkins listen on IPv4 address

#JAVA_ARGS="-Djava.net.preferIPv4Stack=true"