[jboss-user] [Performance Tuning] - Re: High Swap Utilization, lot's of RAM free

PeterJ do-not-reply at jboss.com
Thu Aug 23 12:46:00 EDT 2007


What operating system? Windows tends to swap things out to disk even when it doesn't need to.

What are your JVM heap settings?

Also, you might get better performance if you limit the app server to running on 2, 3 or 4 of the Opterons(sockets). We have found that after 4 sockets that either you get no additional performance benefit or performance drops. And that some deployed apps run better on 2, others on 3, and others on 4 sockets.

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