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Posted to users@tomcat.apache.org by Scott Purcell <sp...@vertisinc.com> on 2003/04/11 20:43:23 UTC

Heap_Size Help

Hello,

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

I did find this
bash>export TOMCAT_OPTS=${TOMCAT_OPTS}" -Xmx512m -Xss64k"

But I truely do not understand what that is doing, I am thinking it may be a Unix thing and not a PC thing.

thanks,
scott

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Re: Heap_Size Help

Posted by Jacob Kjome <ho...@visi.com>.
Or, more specifically for using the tomcat.exe which comes with Tomcat 
(which is an older version of the JavaService app)....

http://www.mattkelli.com/tech/tomcat/ntservice.htm

Jake

At 02:47 PM 4/11/2003 -0400, you wrote:
>If you are using the Windows service, this link gives you all the
>information you need to know:
>http://www.alexandriasc.com/software/JavaService/documentation.html
>
>Specifically, you add your JAVA_OPTS to the 'JVM Option Number n' registry
>settings, then make sure that you change 'JVM Option Count ' to reflect the
>number of options you will then have.
>
>The '-Xmx' setting defines the maximum amount of memory the JVM can use,
>whereas the '-Xms' is like an initial memory allocation setting.
>
>Good luck!
>Mark
>
>----- Original Message -----
>From: "Scott Purcell" <sp...@vertisinc.com>
>To: <to...@jakarta.apache.org>
>Sent: Friday, April 11, 2003 2:43 PM
>Subject: Heap_Size Help
>
>
>Hello,
>
>I am running Tomcat V4.0.6 on Windows 2000. I am having a memory problem
>with the heap that tomcat is configured for. I have searched the web for
>info, but I am not finding anything useful. Does anyone know how this is
>done?
>
>I did find this
>bash>export TOMCAT_OPTS=${TOMCAT_OPTS}" -Xmx512m -Xss64k"
>
>But I truely do not understand what that is doing, I am thinking it may be a
>Unix thing and not a PC thing.
>
>thanks,
>scott
>
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>To unsubscribe, e-mail: tomcat-user-unsubscribe@jakarta.apache.org
>For additional commands, e-mail: tomcat-user-help@jakarta.apache.org
>
>
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>To unsubscribe, e-mail: tomcat-user-unsubscribe@jakarta.apache.org
>For additional commands, e-mail: tomcat-user-help@jakarta.apache.org

Re: Heap_Size Help

Posted by Mark Pease <mp...@chartermi.net>.
If you are using the Windows service, this link gives you all the
information you need to know:
http://www.alexandriasc.com/software/JavaService/documentation.html

Specifically, you add your JAVA_OPTS to the 'JVM Option Number n' registry
settings, then make sure that you change 'JVM Option Count ' to reflect the
number of options you will then have.

The '-Xmx' setting defines the maximum amount of memory the JVM can use,
whereas the '-Xms' is like an initial memory allocation setting.

Good luck!
Mark

----- Original Message -----
From: "Scott Purcell" <sp...@vertisinc.com>
To: <to...@jakarta.apache.org>
Sent: Friday, April 11, 2003 2:43 PM
Subject: Heap_Size Help


Hello,

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

I did find this
bash>export TOMCAT_OPTS=${TOMCAT_OPTS}" -Xmx512m -Xss64k"

But I truely do not understand what that is doing, I am thinking it may be a
Unix thing and not a PC thing.

thanks,
scott

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