Hi, I've been running load tests on my app, which is running against mina 1.1.0-SNAPSHOT using java.util.concurrent on a JDK 6 VM. The server is a 2-way Opteron with 6 gigs of RAM.
What I've been seeing recently (this wasn't seen during the 0.9 days) is a massive (4g consumed in 1000 seconds), non-linear memory consumption after a certain point of time. CPU usage, on the contrary, remains quite nice during this period. After quite a bit of difficulty, I managed to capture two snapshots during the memory freefall. I'm not too super with Yourkit as yet, but on comparison, I found that there were lots of byte arrays being held by MINA. This corresponded with the response times seen from the application at the same time, which went up to 2 minutes in certain cases. Now this didn't make sense since the cpu usage was not in the red. Am I seeing a case of SocketIoProcessor starvation? In any case, I'm running a couple of more tests, one with 2 SocketIoProcessors instead of one, and another with the Multi-threaded SocketIoProcessor that was recently offered by Martin Ritchie. Do let me know if I can get some specific info from the snapshots. Regards, Vinod.
