From 07cde3ae9f01d6c963989eeab994372d49a9cbc0 Mon Sep 17 00:00:00 2001 From: Mattia Rizzolo Date: Sat, 7 Apr 2018 14:00:15 +0200 Subject: [PATCH] split long line into smaller ones also split the args into sections, with more comments.. Signed-off-by: Mattia Rizzolo --- hosts/jenkins/etc/default/jenkins | 16 ++++++++++++++-- 1 file changed, 14 insertions(+), 2 deletions(-) diff --git a/hosts/jenkins/etc/default/jenkins b/hosts/jenkins/etc/default/jenkins index db206ca2b..cd1c45792 100644 --- a/hosts/jenkins/etc/default/jenkins +++ b/hosts/jenkins/etc/default/jenkins @@ -10,13 +10,25 @@ JAVA=/usr/bin/java JENKINS_HOME=/var/lib/$NAME # arguments to pass to java -# + # Allow graphs etc. to work even when an X server is present JAVA_ARGS="-Djava.awt.headless=true" #JAVA_ARGS="-Xmx256m" #JAVA_ARGS="-Djava.net.preferIPv4Stack=true" # make jenkins listen on IPv4 address -JAVA_ARGS="-Djava.awt.headless=true -Xms4G -Xmx8G -server -XX:+AlwaysPreTouch -XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=$JENKINS_HOME/heapDumps/ -Xloggc:$JENKINS_HOME/javaGC/gc-%t.log -XX:NumberOfGCLogFiles=5 -XX:+UseGCLogFileRotation -XX:GCLogFileSize=20m -XX:+PrintGC -XX:+PrintGCDateStamps -XX:+PrintGCDetails -XX:+PrintHeapAtGC -XX:+PrintGCCause -XX:+PrintTenuringDistribution -XX:+PrintReferenceGC -XX:+PrintAdaptiveSizePolicy -XX:+UseG1GC -XX:+ExplicitGCInvokesConcurrent -XX:+ParallelRefProcEnabled -XX:+UnlockExperimentalVMOptions -XX:G1NewSizePercent=20 -XX:+UnlockDiagnosticVMOptions -XX:G1SummarizeRSetStatsPeriod=1" +# See some recommendation from https://jenkins.io/blog/2016/11/21/gc-tuning/ +JAVA_ARGS="$JAVA_ARGS -Xms4G -Xmx8G" # heap settings +JAVA_ARGS="$JAVA_ARGS -server -XX:+AlwaysPreTouch" +# store heap dumps in case of OOM, to investigate it later +JAVA_ARGS="$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" +# G1 GC settings +JAVA_ARGS="$JAVA_ARGS -XX:+UseG1GC -XX:+ExplicitGCInvokesConcurrent -XX:+ParallelRefProcEnabled" +JAVA_ARGS="$JAVA_ARGS -XX:+UnlockExperimentalVMOptions -XX:G1NewSizePercent=20 -XX:+UnlockDiagnosticVMOptions -XX:G1SummarizeRSetStatsPeriod=1" # make jenkins listen on IPv4 address #JAVA_ARGS="-Djava.net.preferIPv4Stack=true" -- GitLab