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From "Stuart Stephen" <>
Subject RE: Tomcat on Dual CPU Server
Date Wed, 17 Sep 2003 13:01:16 GMT
Whoops. 4.1.27 :oP

-----Original Message-----
From: Shapira, Yoav []
Sent: 17 September 2003 13:53
To: Tomcat Users List
Subject: RE: Tomcat on Dual CPU Server

FYI, Sun JDK 1.4.2 on Solaris 8 and 9 can use many CPUs effectively: I
don't know the upper limit but I've maxed it out on 12 and 16 CPU
machines that we have around here.  We don't have such big linux
machines so I can't explore that OS as much...

How are you liking tomcat 4.1.28? ;) ;)

Yoav Shapira
Millennium ChemInformatics

>-----Original Message-----
>From: Stuart Stephen []
>Sent: Wednesday, September 17, 2003 7:55 AM
>To: Tomcat Users List
>Subject: RE: Tomcat on Dual CPU Server
>Well, I'm using Sun 1.4.2 with Tomcat 4.1.28. I assumed that
>CPU's would be supported in Sun's Java VM. However, if i put tomcat
into an
>infinite loop it seems to go only to just above 50% CPU for the whole
>-----Original Message-----
>From: Tim Funk []
>Sent: 17 September 2003 12:49
>To: Tomcat Users List
>Subject: Re: Tomcat on Dual CPU Server
>The JVM is spec'd to be able to run on multiple processors
>an Java application. (Ignoring natvie code issues) Whether the
>*implementation* of a JVM takes advantage of a multi-cpu system is a
job of
>the JVM vendor.
>Stuart Stephen wrote:
>> Hi,
>> I've installed tomcat on a dual CPU redhat linux 9.0 machine and have
>> noticed that it only uses 1 cpu. How can I make it use both? Is this
>> thing or a tomcat thing?
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