Posted by lmika on Jan 12, 2010; 6:20am
URL: https://discuss.orbeon.com/Multiple-threads-causing-lockup-tp1011864.html

Hi,

While using JMeter to load test our application, which is deployed
separately from the Orbeon War in the same Tomcat, we have noticed that
when about 25 JMeter threads are requesting an XForm to be rendered, it
takes a number of seconds (around 30 or 40) for the request to be
handled.  We have also found that over time, Orbeon stops handling these
requests and they time out.

We have tried increasing the maximum heap size for Java to about 1 Gb
and reduced the "maxThreads" in Tomcat to about 10.

Has anyone experienced this before?  If so, do you have any suggestions
on where we can look or what we can change to fix the problem?

The specs of our platform are:

OS: OpenSuse 11.0 kernal 2.6.25 i686
Java: jdk1.6.0_16 i386
Tomcat 6.0 (executed as a server in Eclipse Galileo)

Thanks in advanced,

Leon




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