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From "Sai Bobba" <>
Subject Re: Tomcat causing high CPU load
Date Mon, 05 Nov 2007 21:44:14 GMT
Many thanks. We've had several developers walk through the code to try to
catch the possibity that the app may be sitting in a loop in some
situations. The code seems ok, and, as I indicated, we've never been able to
reproduce the situation. I've searched the web for taking thread dumps, as I
don't know how to do that, butg haven't been able to find anything. Perhaps
you could give me a pointer if you have the time.
Thanks again for your attention.


On 11/4/07, Caldarale, Charles R <> wrote:
> > From: Sai Bobba []
> > Subject: Tomcat causing high CPU load
> >
> > - Tomcat was responsible for this CPU
> > load almost exclusively
> You need to differentiate between Tomcat and the webapps running within,
> even though they are all running in the same process.  It is highly
> likely that it's your webapp stuck in a loop, not Tomcat itself.  As a
> first step, take several thread dumps when this high CPU usage is
> observed, and see where the threads are spending their time.
> - Chuck
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