Can you please try adding the JVM option XX:+PrintClassHistogram Whenever it reach at 100% CPU print the histogram of the JVM and it might help you in debugging the problem. It will print the whole stack including the number of Objects in the heap at that point of time.
-Thanks & Regards- Suresh Kumar Jangir +91-9899822295 mail:- [EMAIL PROTECTED] [EMAIL PROTECTED] --- On Thu, 11/27/08, Henri Gomez <[EMAIL PROTECTED]> wrote: From: Henri Gomez <[EMAIL PROTECTED]> Subject: Re: Tomcat 5.5.25.0 - 100% CPU Utilization To: "Tomcat Developers List" <dev@tomcat.apache.org> Date: Thursday, November 27, 2008, 8:32 PM Are you using tomcat native with it ? 2008/11/27 Jerome Jar <[EMAIL PROTECTED]>: > Take a look at http://iusr.spaces.live.com/blog/cns!69F4725ED815E770!408.entry > and see if this helps. > > On Thu, Nov 27, 2008 at 5:31 PM, Madan KN <[EMAIL PROTECTED]> wrote: >> *Hi,* >> >> We are using tomcat with the following system configurations. >> >> Linux 2.6.9-78.0.1.ELsmp (RHEL) >> Quad Core CPU >> Memory 16GB >> Java version 1.5.0_11 >> Tomcat Version 5.5.25.0 >> CATALINA Heap Size: 1GB >> Running Only 1 Webapp >> >> * Application runs absolutely fine for some days and suddenly starts >> consuming all the 4cpu's to 100%. >> * We have checked all our logs and did through code digging and found >> nothing unusual or any infinite loops or any resource locks or dead locks. >> We even don't have any DB calls from the app. >> * Again after restart the server comes back to normal and works fine. >> >> Any help or insight to the problem could be appreciated. >> * >> Thanks In Advance.* >> Madan KN >> > > > > -- > "Houston, we have a problem." > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]