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

PeterJ do-not-reply at jboss.com
Wed Jan 7 13:24:48 EST 2009

Yes, you can run with on 512MB of RAM. As long as you don't care about performance and will have only, at most, a handful of users. I ran JBoss AS on a laptop with only 512MB once. It was not that much fun. ;-)

The wiki formula is probably a better bet. Typically, I prefer 2GB of RAM to run a single instance of JBoss AS, usually using about a 1.2GB heap. That should run a large number of user (hundreds or thousands, depending on the level of activity).

If you have fewer users you can get away with less RAM. I am running JBoss Portal for our department on a system with 1GB RAM. That system also hosts the MySQL database used by Portal. But then our users number in the tens, and activity is very low.

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