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Comparing Java Web Server performance



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Dear List,

I am currently in the process of upgrading our server farm - again, and am looking at new hardware...

One problem that I am having though is trying to find a good way to compare 2 proc Opteron machines
vs 2 proc Xeons with Hyperthreading....

We are running tomcat with the Sun JVM on our web servers.

I can get our load balancer to send both servers the same number of users, but
I still don't know how to compare which one can handle more....

Do I use idle time? Idle is based on 4 procs for a HT Dual Xeon, compared to 2 procs on an Opteron...


The machines I am looking at at the moment are

  SuperMicro 6014P-82R - with Dual Xeon 3.4
  Sun X2100 - Opteron 175
  Sun X4100 - Dual Opteron 252

Has anyone tried a kernel.org kernel on the Suns?

Thanks

Andrew
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