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From Robert Bateman <bobbate...@sequoiallc.com>
Subject Re: JVM memory size changing dramatically
Date Fri, 30 Jul 2004 14:22:25 GMT
Another good place is the Java Performance Tuning web site.  They have a LOT 
of really good articles and spend a LOT of time on GC.  The IBM developer web 
site also has some good articles on memory and GC.

Bob

On Thursday 29 July 2004 12:09 pm, Shapira, Yoav wrote:
> Hi,
>
> >| The options for what?
> >
> >These:
> >
> >---------------------
> >My JAVA_OPTS as follows
> >
> >
> >JAVA_OPTS=-server -Xms256m -Xmx768m -XX:NewSize=64m -XX:MaxNewSize=64m
> >-XX:SurvivorRatio=8 -XX:MaxTenuringThreshold=5
> >-XX:TargetSurvivorRatio=75 -XX:PermSize=32m -XX:MaxPermSize=32m
>
> -Xss128k
>
> >-XX:+DisableExplicitGC
> >---------------------
>
> Here: http://java.sun.com/docs/hotspot/VMOptions.html.  There are also
> related documents linked from that page that illustrate some examples on
> when to use which options.  It boils down to a lot of trials and
> experimentation.
>
> Yoav Shapira


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