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From "Shapira, Yoav" <>
Subject RE: OT (Slightly): Large 64 bit JVMs
Date Mon, 06 Dec 2004 18:03:38 GMT

I have a little bit of experience in this area, not much.


The JVM will grow as much as it needs subject to your -Xms/-Xmx and
other settings, as I'm sure you know already.  So could it be it's not
growing past 3300MB because it doesn't need to?  Stress it out with a
bigger load, or maybe try -Xms4G just for testing, to see what happens


Yoav Shapira


-----Original Message-----
From: Dale, Matt [] 
Sent: Monday, December 06, 2004 1:02 PM
To: Tomcat Users List (E-mail)
Subject: OT (Slightly): Large 64 bit JVMs



Does anyone have any experience of running large 64 bit JVMs on Solaris.

We've got a box with 16GB of RAM and despite increasing the kernel
parameter shmmax I can't get a JVM to be any bigger than about 3300MB.

Any hints or tips or links appreciated. 


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