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From Kevan Miller <kevan.mil...@gmail.com>
Subject Re: Monitoring Memory Usage
Date Fri, 15 Aug 2008 16:57:32 GMT

On Aug 13, 2008, at 2:20 PM, Jarek Gawor wrote:

> On Wed, Aug 13, 2008 at 2:08 PM, Peter L. Berghold  
> <peter@berghold.net> wrote:
>>
>> As of yet I haven't been able to catch it in the act to know for sure
>> what I have. I'm monitoring in things manually right now and I'm not
>> seeing more than 40K out of 512Mb being used with about a dozen users
>> logged in.
>>
>> The main symptoms I'm seeing are two fold:  1) Geronimo just exits  
>> with
>> no explanation.  Could be memory.. could be something else.  2)  
>> Things
>> stop executing and the CGI scripts all complain about not being  
>> able to
>> allocate memory. When that is going on I can't log into the console  
>> either.
>
> Do the CGI scripts run in a separate process (forked from the server
> process)? Maybe also watch the number of processes running at the same
> time.

Peter,
You having any luck with this?

That doesn't sound like a java heap/permgen memory issue. I'd be  
checking process/system memory and other system resources (e.g.  
threads and file descriptors). What type of CGI scripts are you  
running? How many threads?

--kevan


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