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From "Shapira, Yoav" <>
Subject RE: JVM memory size changing dramatically
Date Thu, 29 Jul 2004 16:09:53 GMT

>| The options for what?
>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

Here:  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

Yoav Shapira

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