[jboss-user] [Beginner's Corner] - Re: CPU & RAM Usage API in Java or JBoss

[Wolf-Dieter Fink]

Wolf-Dieter Fink [http://community.jboss.org/people/wdfink] created the discussion

"Re: CPU & RAM Usage API in Java or JBoss"

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It wil be difficult and depends to the application, JVM implementation and OS.
If you have no system partitioning the JVM might take 100% CPU.
RAM depends to the OS and the used 32/64JVM.
With 32Bit Windows you are restricted to ~2GB
In case of 64Bit Unix the JVM might accept ~3,6GB Heap setting (depends on the OS) witch is about 4GB in total.

The RAM usage is an addition of Heap(-Xmx) PermGenSpace (-XX:MaxPermSize) and the reserved area for Threads.
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