> From: Michael Südkamp [mailto:michael.suedk...@docware.de] 
> Subject: AW: server status reports long request times

> We looked at thread dumps several times. The CPU charge was always 
> reported for the "VM Thread" and we didn't know how this information
> could help us finding a problem on our side.

That sounds like you looked at ps or similar output, not a thread dump.  Take 
an actual JVM thread dump and see where the worker threads are during the busy 
periods.

http://wiki.apache.org/tomcat/HowTo#How_do_I_obtain_a_thread_dump_of_my_running_webapp_.3F

Turn on GC logging to see if you are experiencing heap churn and heavy GC 
activity.

 - Chuck


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