[jboss-user] [Performance Tuning] - Re: JBoss performance decrease

Wolf-Dieter Fink do-not-reply at jboss.com
Mon Feb 28 07:25:18 EST 2011

Wolf-Dieter Fink [http://community.jboss.org/people/wdfink] created the discussion

"Re: JBoss performance decrease"

To view the discussion, visit: http://community.jboss.org/message/590061#590061

Sounds like a memory leak, I've had a similar problem where objects are not released and the heap become occupied.
In this case the GC will consume the time.

Do you can activate the GC logging?
See  http://java.sun.com/docs/hotspot/gc5.0/gc_tuning_5.html http://java.sun.com/docs/hotspot/gc5.0/gc_tuning_5.html for JVM options.
Also you can use 'jstat', part of java distribution with Java6 I'm not sure whether standard for Java5, to analyse the GC behaviour.

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