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From bugzi...@apache.org
Subject DO NOT REPLY [Bug 43547] New: - performance issue on power5 with AIX
Date Thu, 04 Oct 2007 08:50:21 GMT
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http://issues.apache.org/bugzilla/show_bug.cgi?id=43547

           Summary: performance issue on power5 with AIX
           Product: Tomcat 5
           Version: 5.5.23
          Platform: Other
        OS/Version: AIX
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Unknown
        AssignedTo: tomcat-dev@jakarta.apache.org
        ReportedBy: piotr.kwiatkowski@bzwbk.pl
                CC: piotr.kwiatkowski@bzwbk.pl


We compared performance of an application running on Tomcat on two different 
platforms (Power5 and WINTEL). The results show that Tomcat running on Power5 
platform seems to perform noticeably worse than the same instance running on 
WINTEL (when considering response times under the same load we observed 38% 
average difference). Below is detailed configuration of both platforms:

Power5:
Server version: Apache Tomcat/5.5.23
Server built:   Mar 5 2007 08:25:04
Server number:  5.5.23.0
OS Name:        AIX
OS Version:     5.3
Architecture:   ppc
JVM Version:    1.4.2
JVM Vendor:     IBM Corporation

WINTEL:
Server version: Apache Tomcat/5.5.23
Server built:   Mar 5 2007 08:25:04
Server number:  5.5.23.0
OS Name:        Linux
OS Version:     2.6.19.2
Architecture:   x86
JVM Version:    1.4.2
JVM Vendor:     IBM Corporation

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