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From "Caldarale, Charles R" <Chuck.Caldar...@unisys.com>
Subject RE: tomcat memory usage
Date Fri, 29 Jan 2010 15:13:47 GMT
> From: Pid [mailto:pid@pidster.com]
> Subject: Re: tomcat memory usage

> The overall size of the heap is controlled by 3 different groups of
> settings, not just the one you referred to:
>   -Xms512M          -Xmx512M
>   -XX:NewSize=32m   -XX:MaxNewSize=4096m
>   -XX:PermSize=64m  -XX:MaxPermSize=128m
> 
> The overall amount of memory used is the sum of current values of each
> these groups, plus non-heap memory.
> 
> (How'd I do?)

Not well.  The -Xmx and -Xms values include the NewSize; it is not a separate portion of the
memory space as PermGen is.

 - Chuck


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