[jboss-user] [Performance Tuning] - setting right HEAP metrics

sunlinux do-not-reply at jboss.com
Tue Apr 14 06:52:41 EDT 2009

Server : RHEL linux with 4 GB Ram
Jboss 4.2.2 GA

memory consumed by process
RSS      VSIze
358560 937004  0.0  8.6 /home/spsadm/data/jdk1.5.0_16/bin/java -Dprogram.name=run.sh -server -Xms128m -Xmx512m -Dsun.rmi.dgc.client.gcInterval=3600000 -Dsun.rmi.dgc.server.gcInterval=3600000 -Djava.net.preferIPv4Stack=true -Djava.endorsed.dirs=/data/jboss/lib/endorsed -classpath /jboss/bin/run.jar:/home/spsadm/data/jdk1.5.0_16/lib/tools.jar org.jboss.Main -b abc

after seeing above pls suggest what Xms n Xms size Do I use for optimal performance . any other tweak you may suggest 

issue is RAM continuously eaten by jboss where GC frees a little or sm times does not .

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