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From André Warnier>
Subject Re: Tomcat 5.5.35 as Windows Service Java Opts
Date Fri, 10 Feb 2012 17:19:31 GMT
Smith, Mitchell wrote:
> Hi,
> I am trying to configure some additional parameters for a tomcat
> installation
> Tomcat5.5.35
> Windows Server 2003

32-bit ?
JVM 32-bit ?

> Due to the nature of the WebService to be hosted on this tomcat
> installation I would like to increase the Eden heap size.
> With my previous Linux Implementations adding -XX:NewSize=1234m to my java
> opts worked, however if i try to add this to the service in Windows, the
> value appears to be ignored.
> [image: image.png]

The image appears to have been stripped by the mail server.

> It appears in the VM arguments, but the value is not propogated to the Heap
> Configurations.

If the system and JVM are 32-bit, you only have about 2 GB of addressable space per 
process (even if the system has a lot more RAM in total).  I believe that the JVM may 
ignore the argument if it is too large.

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