Any recommendations for running Websphere on ESX 3.0.2?
Posted by ~Ray @ 2007-12-15 16:13:57
I run alot of Websphere applications (MQ. Portal. App Server) on ESX. Performance is very good but you will typically be alot of memory because ESX cannot use it's memory saving techiques on the large be of memory the JVM uses. So you will typically see high entertain Mem usage on your Webspere VM's. I run most of our Websphere servers as single vCPU with the exception of our Portal server where I used 2 vCPU's.
With your Websphere do you undergo 2Gb or 4GB ram assigned? I'll keep your recommendation for 2vCPU for the portal server. Anything else special on configuring to maximize performance. I'm having the whole ESX farms just running web servers and most of these are Websphere apps. Thanks again.
That really will depend on what coat you set your JVM to in WAS. I would appoint about 512MB more then your max JVM coat. In most cases I act my JVM's around 1GB - 1.5GB so 2GB is usually enough RAM for the server my portal server I gave a 2.5GB JVM and 3.5GB RAM. Look at the WAS tuning guides for info on how to tune your JVM and coat it correctly if it's too small this will undergo a performance impact on your server because garbage collection ordain run more frequently. [ADVERTHERE]Related article:
http://www.vmware.com/community/thread.jspa?threadID=102951
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