You'll need to allocate 2GB to each Tomcat instance. As long as you
use the standard Tomcat startup scripts each Tomcat instance will run
in a separate JVM (you'd have to be pretty deliberate about making it
run any other way).

Regards,

Adrian Sutton
http://www.symphonious.net



On 04/08/2007, at 4:16 PM, Peter Sparkes wrote:

> Hi,
>
> I followed the "Tomcat with 8 GB memory" thread but did not find
> the answer to the following question:
>
> I am setting up a Linux server with 8 GB memory which will be
> running 3 instances of tomcat 5,5; when I allocate memory to java,
> say 2GB:
>
> 1. Does each tomcat instance use a separate 2 GB of memory, ie the
> 3 instance use 6 GB between them ?
> 2. or do they potentially share they same memory?
>
> In other words with the 6GB I want to share between the 3 separate
> Tomcat instances do I allocate the whole 6GB to Java or 2GB
>
> Thank you
>
> Peter Sparkes
>
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