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From Thomas Markus <t.mar...@proventis.net>
Subject Re: Problem with tuning JVM (high CPU load)
Date Wed, 23 May 2007 07:59:02 GMT
if your free memory is low, the jvm runs the gc automatically. in case 
your free memory is very low the gc runs very often and consumes a lot 
of cpu. try to log your current memory state in that situation.

Robby Pelssers schrieb:
> Hi Thomas,
>
> Actually, we scheduled the garbage collector as a cron job to run every
> day at night between 2 and 3 o'clock two times to make sure memory is
> freed up when daily operations start again around 7-8 o'clock.  I don't
> really see how running the garbage collector can have a negative affect?
> And even if there is a memory leak, how do you explain the high CPU
> load?
>
> Cheers,
> Robby 
>
> -----Oorspronkelijk bericht-----
> Van: Thomas Markus [mailto:t.markus@proventis.net] 
> Verzonden: woensdag, mei 2007 9:26
> Aan: users@cocoon.apache.org
> Onderwerp: Re: Problem with tuning JVM (high CPU load)
>
> Hi,
>
> looks like a memory leak. maybe the garbage collector runs very often
>
> thomas
>
>
> Robby Pelssers schrieb:
>   
>> Hi all,
>>
>> we have cocoon2.1.10 running on a solaris(OS version5.8).  The server 
>> has 16G of memory and 2 processors (sparcv9 processors operating at 
>> 900 MHz). Cocoon is running on tomcat/4.1.24.
>>
>> After a while we see our CPU increasing to about 94% and the system 
>> becomes non-responsive.  Could anybody point to what we look for?  We 
>> can't trace the problem back from the tomcat loggings.
>>
>> Cheers,
>> Robby Pelssers
>>
>>     
>
>
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