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Subject: RE: OT (Slightly): Large 64 bit JVMs
Date: Tue, 7 Dec 2004 10:43:23 -0000
Message-ID: <98C84BAA0FC00F44905EAAF345790A6C0298A2EF@exchair1.becogent.com>
Thread-Topic: OT (Slightly): Large 64 bit JVMs
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From: "Dale, Matt" <Matt.Dale@beCogent.com>
To: "Tomcat Users List" <tomcat-user@jakarta.apache.org>

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You can ignore this, I never put the -d64 switch so it was running in 32 =
bit mode.

Ta
Matt

-----Original Message-----
From: Dale, Matt=20
Sent: 06 December 2004 20:47
To: Tomcat Users List
Subject: RE: OT (Slightly): Large 64 bit JVMs


I already know that the application will use that much space. We are =
using the Agressive Heap setting with an -Xmx switch so it will =
automatically use all the space that I'm allowing it. I should perhaps =
post some of the error's i'm receiving which vary depending on what size =
I set. I'll do this when I'm in the office tomorrow.

There may be other kernel parameters that i've not considered or maybe =
it just doesnt work. Thanks for the input.

Ta
Matt

-----Original Message-----
From: Shapira, Yoav [mailto:Yoav.Shapira@mpi.com]
Sent: 06 December 2004 18:04
To: Tomcat Users List
Subject: RE: OT (Slightly): Large 64 bit JVMs


Hi,

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

=20

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
;)

=20

Yoav Shapira http://www.yoavshapira.com

=20

-----Original Message-----
From: Dale, Matt [mailto:Matt.Dale@beCogent.com]=20
Sent: Monday, December 06, 2004 1:02 PM
To: Tomcat Users List (E-mail)
Subject: OT (Slightly): Large 64 bit JVMs

=20

Hi,=20

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.=20

Ta=20
Matt=20


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