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From Christopher Schultz <ch...@christopherschultz.net>
Subject Re: TOMCAT GC Issue
Date Wed, 20 Jan 2010 19:16:18 GMT
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Paulwintech,

On 1/20/2010 5:48 AM, Paulwintech wrote:
> Intermediately i get GC critical alert. That means some times GC
> collection goes high and remains for more than 10 mins. Then it clears the
> Grabage. But this is happening recently checked all possible logs found
> nothing. This is not happening every time, Say like twice in a day.......

I would enable verbose garbage collection to verify what your
instrumentation is telling you. You can enable verbose GC using this
command-line flag:

- -verbose:gc

or

- -XX:+PrintGCDetails and -XX:+PrintGCTimeStamps

If you are able to post relevant portions of the GC log along with any
other information you provide, it will certainly be helpful.

A 10-minute-long GC run? That sounds disastrous.

- -chris
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