10 application servers.
-----Original Message-----
From: Kwok Peng Tuck [mailto:[EMAIL PROTECTED]
Sent: Friday, December 03, 2004 6:53 AM
To: Tomcat Users List
Subject: Re: Tomcat/Java and SMP
Dan,
U have 10 application servers on one machine or 10 application on 10
distinct machines ?
Dan Foreman wrote:
> Hi,
>
> I have a setup of 10 application servers using Tomcat 4/5, jsdk
> 1.4.2_02, SMP, win2k. In watching the performance under load I am
> concerned that only one CPU is being utilized at a time. To validate
> my theory I try hitting the application server with a request to
> generate a large report and then making another connection. The
> second connection is painfully slow and task manager only reports a
> 50% CPU utilization. After doing some reading on SMP/native threads
> and windows, I wrote a test java application that spawns n infinite
> loop threads from a single JVM with a delay between each creation.
> Sure enough one cpu (task manager reporting
> 50%) and then the other cpu are consumed (task manager reporting
> 100%). This test tells me that Java is capable of using both CPU's via
> native threading and some black magic in the windows dll's
but that this scenario isn't happening in tomcat.
>
> Is it possible for tomcat to use more than one CPU or is there a critical
> flaw in my logic?
>
> -Dan
>
>
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