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From "Dale, Matt" <Matt.D...@beCogent.com>
Subject RE: [OT] How much RAM can java use
Date Thu, 06 Oct 2005 16:00:07 GMT
Hi,

This will depend on which architecture of machine you are using. You will need both a 64 bit
machine and a 64bit JVM to use that much memory. We use 12GB here with no problems on 64 bit
solaris.

Ta
Matt

-----Original Message-----
From: Leon Rosenberg [mailto:rosenberg.leon@googlemail.com]
Sent: 06 October 2005 16:53
To: Struts Users Mailing List; Tomcat Users List
Subject: [OT] How much RAM can java use


Sorry for off-topic, but there are so many experts here! :-)

Does anyone know for sure how much RAM I can use with JAVA 1.4 or 1.5?
It seems to me, that the VM don't use more than 1.2 GB RAM even I gave
it more (with mx/ms settings). We are planning to go to 16GB RAM
machines to have a better caching, but I started to doubt that I can
use 16GB Ram in a single JVM.

Any thoughts, anyone?

thanx
leon

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