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From "Caldarale, Charles R" <Chuck.Caldar...@unisys.com>
Subject RE: Performance Issue while upgrading from Embedded Tomcat 6 to Tomcat 7
Date Wed, 22 May 2013 03:26:21 GMT
> From: Chirag Dewan [mailto:chirag.dewan22@yahoo.in] 
> Subject: Re: Performance Issue while upgrading from Embedded Tomcat 6 to Tomcat 7

> Well I tested a sample html page with Tomcat 6.0.18 and 7.0.30 on Solaris x86 
> server. The req/sec were almost the same for both, but CPU utilization for 
> Tomcat 6 was 23-27% and for Tomcat 7 it was 80-90% consistently.

With the exact same JVM for both Tomcat 6 and 7?  (32- versus 64-bit, client versus server
mode?)

> On the other hand on a Linux system,the req/sec were a little higher in Tomcat 7
> say 65k to 55k on tomcat 6 and the CPU utilization was the same for both 6 and 7.

With same JVM as on the Solaris box?  (Again, 32- versus 64-bit, client versus server mode?)

On the face of it, it sounds like a problem in the Solaris JVM.

 - Chuck


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