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From "Shapira, Yoav" <Yoav.Shap...@mpi.com>
Subject RE: Tomcat 4 performance issues - Trying Tomcat 4.1.3 Beta
Date Fri, 21 Jun 2002 15:46:16 GMT
Hi,
Did you try profiling with and without the incremental garbage
collector? (-Xincgc)  I'd be very interested in the comparison.

Yoav Shapira
Millennium ChemInformatics


>-----Original Message-----
>From: Victor Popiol [mailto:vpopiol@douwantit.com]
>Sent: Friday, June 21, 2002 11:44 AM
>To: Tomcat Users List
>Subject: RE: Tomcat 4 performance issues - Trying Tomcat 4.1.3 Beta
>
>More details:
>
>Server
>Compaq Single Processor 512 MB RAM
>Windows 2K
>
>Tomcat
>- Tomcat 4.1.3 Beta, binary distribution running as a service and using
>Tomcat 4.0's isapi_redirector.dll to interface with IIS
>- Using Ajp3Processor with IIS
>- Runs as an NT Service
>- JVM parametes: "-Xrs" "-Xincgc" "-Xms128m" "-Xmx256m"
>
>
>Application
>- Struts
>- Lots of JSP's using I18N and custom tags
>- Database server is Oracle 8.1.7
>- # requests/day: 7,750
>
>Thanks
>Victor
>
>
>-----Original Message-----
>From: Remy Maucherat [mailto:remm@apache.org]
>Sent: Friday, June 21, 2002 9:46 AM
>To: Tomcat Users List
>Subject: Re: Tomcat 4 performance issues - Trying Tomcat 4.1.3 Beta
>
>
>Victor Popiol wrote:
>> I installed Tomcat 4.1.3 beta. Took a while to configure because the
>hidden issue with the user vs username parameter in the datasource
>definition.
>>
>> After it has been running for a day, it died. Looking at the logs I
found
>the following:
>>
>> java.lang.OutOfMemoryError
>> 	<<no stack trace available>>
>> java.lang.OutOfMemoryError
>> 	<<no stack trace available>>
>> java.lang.OutOfMemoryError
>> 	<<no stack trace available>>
>> java.lang.OutOfMemoryError
>> 	<<no stack trace available>>
>>
>> Any idea of components leaking memory?
>
>Without any additional details, I can't really help.
>
>A bug which could cause this has been fixed after 4.1.3:
>http://nagoya.apache.org/bugzilla/show_bug.cgi?id=9715
>
>This bug was also present in TC 4.0.x, though.
>
>Remy
>
>
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