You may actually be swapping. That can be even worse than GC! On Fri, May 21, 2010 at 11:32 AM, Stephen Green <eelstretch...@gmail.com>wrote:
> Right. The system can be very memory-intensive, but at the time these > are occurring, it's not under a really heavy load, and there's plenty > of heap available. However, while looking at a thread dump from one of > the nodes, I realized that a very poor decision meant that I had more > than 1200 threads running. I expect this is more of a problem than > the GC at this point. I'm taking steps to correct this problem now. >
