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From "Albrecht Marcus" <>
Subject AW: Max possible ram usage
Date Wed, 21 Jul 2004 13:08:44 GMT
Sorry, forgot to mention it.

We are running Suse Linux Enterprise 8.

-----Ursprüngliche Nachricht-----
Von: Gunnar Pörschke [] 
Gesendet: Mittwoch, 21. Juli 2004 15:01
An: 'Tomcat Users List'
Betreff: AW: Max possible ram usage

It could be a matter of >"<
JAVA_OPTS=-Xms"512m" -Xmx"3072m"
Or thomething like this.
It seems to be a windows related problem (if you are using windows ;-)



-----Ursprüngliche Nachricht-----
Von: Ralph Einfeldt []
Gesendet: Mittwoch, 21. Juli 2004 15:00
An: Tomcat Users List
Betreff: RE: Max possible ram usage

That is just java related. 
Tomcat has no upper limitations.

The maximal memory depends on the vm implementation.
You might try a newer version of the jdk or a jdk from a different vendor.

> -----Original Message-----
> From: Albrecht Marcus []
> Sent: Wednesday, July 21, 2004 2:54 PM
> To:
> Subject: Max possible ram usage

> My java options are
> JAVA_OPTS="-Xms512m -Xmx3072m"
> The tomcat won't start with this options.

> Error occurred during initialization of VM Could not reserve enough 
> space for object heap"
> If i lower the max value i get it running with a max of 1792 MB 
> setting (JAVA_OPTS="-Xms512m -Xmx1792m").
> Can anyone tell me the max ram size that tomcat/java can use?
> I have't found that information anywhere on the net or mailing lists.

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