Getting into a pickle!

Openfire Openfire Support
1

I have a production cluster (Coherence) running on 3.7.0 and am finding that with a box that has 2GB of RAM it has a difficult time allowing people to log in when there are up to 15k users on a system. I am attemting to get 40k on a box with no issues.

Here are the current JVM args:

${OPENFIRE_OPTS} -DopenfireHome=${OPENFIRE_HOME} -Dopenfire.lib.dir=${OPENFIRE_LIB} -Djava.net.preferIPv4Stack=true -Xms1536m -Xmx1536m -XX:MaxPermSize=256m -XX:PermSize=128m -XX:+UseParallelGC

FYI: I have 30 servers in my cluster at the moment.

Does anyone have any recommendations on what to do in order to get this stabalized??

Thanks

-Pat

2

To add to this. I see Old Gen get pretty high when it starts to have issues. Not sure if that’s important or not, but something worth mentioning.

3

Sorry for the ignorance, but what is “Old Gen” ?

daryl

4

It’s also known as the Tenured section of the JVM heap space.

http://www.oracle.com/technetwork/java/gc-tuning-5-138395.html

5

And not an ignorant question at all