[jboss-user] [Performance Tuning] - verbose GC not working

[vons1234]

Hi,

I am trying to get the GC output using following switches in JVM

JAVA_OPTS="-server -Xms1500m -Xmx1500m -Xss128k -verbosegc -Xloggc:GC.log -XX:+PrintGCTimeStamps -XX:+PrintGCDetails -XX:+UseLargePages -XX:PermSize=512m -XX:MaxPermSize=512m -XX:ThreadStackSize=512 -XX:+UseParallelGC -XX:+AggressiveHeap -XX:CompileThreshold=100 -XX:SurvivorRatio=8 -XX:TargetSurvivorRatio=90 -XX:MaxTenuringThreshold=31"

But GC.log doesn't seems to be generating.

My environment is JDK 1.5 update 12
OS: RHEL Linux
Jboss 4.2.0

Thanks

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