Created
August 9, 2013 00:06
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Tomcat jvm param with more aggressive GC and memory optimization. Use with caution on prod.
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| JAVA_OPTS="-Djava.awt.headless=true -Xmx7000M -Xms7000M -XX:MaxPermSize=768M -XX:PermSize=1024M -XX:MaxNewSize=1024M -XX:NewSize=768M -XX:SurvivorRatio=10 -XX:+DisableExplicitGC -XX:+UseConcMarkSweepGC -XX:+UseParNewGC -XX:+CMSParallelRemarkEnabled -XX:CMSInitiatingOccupancyFraction=80 -XX:+UseCMSInitiatingOccupancyOnly -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=UTF-8 -verbose:gc -XX:+PrintGCDetails -XX:+PrintHeapAtGC -XX:+PrintTenuringDistribution -XX:+CMSClassUnloadingEnabled -XX:+CMSPermGenSweepingEnabled" |
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export it at catalina.sh on linux for tomcat 6