[jboss-user] [Performance Tuning] - Re: JBoss always at 100% CPU but not doing anything!

[triathlon98]

As a quick guess, check your memory consumption. I would guess that your system is actually constantly collecting garbage.

If this is the case, check your EJB3 caching setting. The default configuration uses a HasMap implementation which is not for production use (according to the Hibernate docs) as it does release much (or anything) from the cache. This should be replaced by a JBossCache instance.

Hope this helps you,
Joachim

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