[jboss-user] [Performance Tuning] - Problems in a multiprocessor server

EscudoJaguar do-not-reply at jboss.com
Mon Apr 30 18:36:52 EDT 2007


I have a server with 2 cpu XEON(3GHz) and 4GB in RAM

I have installed Fedora Core 3 and JBOSS 4.0.2

JBOSS is initialized with next options:

/java -server -Xms1024m -Xmx2560m 
-Dprogram.name=run.sh -Dcom.sun.management.jmxremote -Djava.endorsed.dirs=/opt/jboss-4.0.2/lib/endorsed -classpath /opt/jboss-4.0.2/bin/run.jar:/opt/java//lib/tools.jar org.jboss.Main

When I start Linux with a simple kernel(only sees 1 cpu) the processes I run are ok and have no problem, but when I start Linux with a kernel smp(sees the 2 cpu), the time these processes late is too long and never end.

I think it's a problem of syncronization between java and the cpu's.

What can I do to resolve this situation

Thanks



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