[jboss-user] [Performance Tuning] - Re: Recommended Memory Usage

PeterJ do-not-reply at jboss.com
Thu Jan 8 10:22:35 EST 2009

No, it will not have to double. A lot of that 1/2 GB is for the JVM code and the operating system is smart enough to shared the code between Java instances. Thus while the first instance will use up a lot of memory, a second instance will not use as much additional memory.  Based on your heap size, you should be able to run two JBoss AS instances in 2GB of memory. 

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