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From delbd <david.delb...@oma.be>
Subject Re: No more than 500 threads on Windows 2003?
Date Thu, 30 Jun 2005 13:28:57 GMT
Just by curiosity, does it have something like '511 Threads is ok but 512 fails?' :D
Le Jeudi 30 Juin 2005 15:09, Michael Kleinhenz a écrit :
> Hi,
> 
> I'm currently integrating a SOAP-based middleware on Tomcat (5.5.9) with
> Sun JDK 1.5.0_02 and get into problems when using maxThreads with a
> value greater than 500.
> 
> Tomcat locks up completely without getting back to normal operations
> after a while. No exception or error is reported in the logs, it just
> stops. All connections are refused after the lockup. Tomcat has enough
> memory (>1GB) assigned with the JVM options.
> 
> If I use maxThreads="500", the server runs fine, but 500 is not enough
> for my project ;-(
> 
> I tried to increase the stack size, but this doesn't help..
> 
> The connector is defined as:
> 
> <Connector port="8888" maxHttpHeaderSize="8192" maxThreads="500"
>    minSpareThreads="50" maxSpareThreads="150" enableLookups="false"
>    redirectPort="8443" acceptCount="200" connectionTimeout="20000"
>    disableUploadTimeout="true"/>
> 
> If I change 500 to 700 or more, Tomcat locks up. Is this a Windows
> problem?? 
> 
> Hardware is not an issue, I think.. (dual Xeon 3,4GHz, 4GB)..
> 
> Thanks,
> Michael
> 

-- 
David Delbecq
Royal Meteorological Institute of Belgium

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