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From "Shapira, Yoav" <>
Subject RE: Heap_Size Help
Date Fri, 11 Apr 2003 18:52:21 GMT


>I am running Tomcat V4.0.6 on Windows 2000. I am having a memory
>with the heap that tomcat is configured for. I have searched the web
>info, but I am not finding anything useful. Does anyone know how this

See the other person's message regarding running as a windows service.
See the full VM options page here:

Needless to say, the above options work on both unix and windows.  You
can specify both as JAVA_OPTS in $CATALINA_HOME/bin/

>bash>export TOMCAT_OPTS=${TOMCAT_OPTS}" -Xmx512m -Xss64k"

Make sure to NOT use -Xss unless you need it.  Messing with the stack
size can lead to unpredictable failures.

There is ample information about this in this list's archives, available

Yoav Shapira
Millennium ChemInformatics

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