Re: [Resin-interest] Perf Issues

2009-03-21 Thread Jeff Schnitzer
It's also worth mentioning that for serious application tuning, there is no substitute for a good profiling tool. In the past I have had great results with JProfiler: http://www.ej-technologies.com/products/jprofiler/overview.html I've even gone so far as to take one node in a production

Re: [Resin-interest] Perf Issues

2009-03-21 Thread Stargazer
Adam Allgaier wrote: I would plug jconsole into your resin instance and watch what's happening to the JVM memory. Could be loose open threads (and large thread size) that grows over time and eats up free memory. Restarting would kill all the threads and free the memory.

Re: [Resin-interest] Perf Issues

2009-03-21 Thread Daniel Lopez
From our years using Resin and other containers, even though basically Resin, we have found basically 2 things that containers do not like: .- Swap memory. I know it's stating the obvious, but when your app is running out of memory and the GC starts working like frenzy, the worst it can

Re: [Resin-interest] Perf Issues

2009-03-21 Thread Rob Lockstone
On Mar 21, 2009, at 14:59, Stargazer wrote: Adam Allgaier wrote: I would plug jconsole into your resin instance and watch what's happening to the JVM memory. Could be loose open threads (and large thread size) that grows over time and eats up free memory. Restarting would kill all