users@grizzly.java.net

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

From: Jeanfrancois Arcand <Jeanfrancois.Arcand_at_Sun.COM>
Date: Wed, 08 Jul 2009 11:15:40 -0400

Salut,

Abey Tom wrote:
> I have filled:
>
> https://grizzly.dev.java.net/issues/show_bug.cgi?id=699
>
> Please let me know if anything else is required.

Thanks!

I will take a look as soon as 1.9.17 is released and integrated in
GlassFish v3.

-- Jeanfrancois


>
> Thanks,
> Abey Tom
>
>
> Jeanfrancois Arcand-2 wrote:
>> Salut,
>>
>> apology for the delay. Can you file an issue and describe how to
>> reproduce the memory grow? We run really large test as part of GlassFish
>> v3 integration and so far we haven't measured such peak. So I want to
>> investigate how I can reproduce the issue locally and see what can be
>> improved.
>>
>> Thanks
>>
>> -- Jeanfrancois
>>
>> Abey Tom wrote:
>>> 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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