users@grizzly.java.net

Re: grizzly-http-servlet-deployer - High memory Consumption (1 - 1.2GB , 2000-3000 clients)

From: Abey Tom <appu_abey_tom_at_yahoo.com>
Date: Fri, 3 Jul 2009 07:15:02 -0700 (PDT)

I was testing a prototype application which is build on grizzly comet. I did
a round of perf test on that and I would like to share the results. Please
find the jconsole screen shots attached.

Test Scenario:
Total number of streaming clients - 3500
Total Messages pushed from server per second : ~12500 to 13000.

http://www.nabble.com/file/p24323801/grizzly_3500_clients_overview.jpg

Here the CPU load is very less. I kind of feel that the heap memory is a
little more than i expected.

1. Heap Space :
http://www.nabble.com/file/p24323801/grizzly_3500_clients_heap.jpg
grizzly_3500_clients_heap.jpg
2. Eden Space :
http://www.nabble.com/file/p24323801/grizzly_3500_clients_eden_space.jpg
grizzly_3500_clients_eden_space.jpg
3. Survivor Space :
http://www.nabble.com/file/p24323801/grizzly_3500_clients_survivor_space.jpg
grizzly_3500_clients_survivor_space.jpg
4. Old Gen :
http://www.nabble.com/file/p24323801/grizzly_3500_clients_old_gen.jpg
grizzly_3500_clients_old_gen.jpg


Thanks
Abey Tom

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