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From "Henri Gomez" <>
Subject Tomcat 6.0.4 and http thread releasing
Date Fri, 08 Dec 2006 11:02:37 GMT
Hi to all,

I'm doing some stress testing on Tomcat 6.0.4 on i5/OS with IBM Java 5
32 bits, no APR here.

I used ApacheBench to stress the Tomcat 6.0.4 sending about 1 million
requests on 100 concurrents connections (using keep alive).

I expected to see the number of HTTP thread to reduce after the test
but it's not the case, and that's what I see thru JConsole for all
HTTP threads

Name: http-18081-150
State: WAITING on$Worker@54ba54ba
Total blocked: 17  Total waited: 435

Stack trace:
java.lang.Object.wait(Native Method)

Configuration is :

<Connector port="18081" maxHttpHeaderSize="8192"
           maxThreads="150" minSpareThreads="25" maxSpareThreads="75"
           enableLookups="false" redirectPort="8443" acceptCount="100"
           connectionTimeout="20000" disableUploadTimeout="true" />

What could be the problem ?

FYI, the acceptCount is set to 100 and I tested ab2 with 125
connections and as such ab2 has been rejected since I think the 125
connections arrived in the same time.


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