users@glassfish.java.net

Re: Several Dropouts per Day

From: Alexis Moussine-Pouchkine <alexis.mp_at_sun.com>
Date: Fri, 20 Feb 2009 12:06:10 +0100

Is the 64-bit VM necessary?

On Feb 20, 2009, at 11:56, Dick Davies wrote:

> Sounds like garbage collection.
>
> On Fri, Feb 20, 2009 at 10:42 AM, <glassfish_at_javadesktop.org> wrote:
>> Hi,
>>
>>
>> detect several dropouts per day on my current GlassFish application
>> server (2.1).
>> These dropouts occur arbitrarily and take 5-15 seconds.
>> During the dropout nothing is reachable, none of the applications
>> and also the admin interface.
>>
>>
>> After this dropout my database connection jump to max (server-
>> status.jpg).
>> So i guess Glassfish queues all requests during the dropout and
>> suddenly release them.
>> After that all works correct as before.
>>
>>
>> Today i could start jstack during such a drop out.
>> (jstack_20090220_111606.log)
>> Could somebody please take a look on it.
>>
>>
>> thanx,
>> Hammoud
>> [Message sent by forum member 'hammoud' (hammoud)]
>>
>> http://forums.java.net/jive/thread.jspa?messageID=333092
>>
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