Re: CentOS server running java - won't let go of swap

[Les Mikesell <lesmikesell@xxxxxxxxx>]

Sean Carolan wrote:
>> I'm pretty sure that's not true.  Permgen is just part of the heap space and
>> none of that accounts for the executing part of the JVM.  In any case, you
>> probably want to allow some free memory to be used for filesystem cache.
> 
> I'll read up on this some more.  I'm not a java expert.
> 
>>> Are there any tools that let you look inside  the swap disk or file
>>> and see exactly what is being placed there?
>> In top, hit 'f', then 'p' to add a column to show swap usage by process.
> 
> Well, looks like java is the culprit.  I'll work with the devs and QA
> people some more to see if we can track down the source, maybe it's a
> memory leak...

Does restarting java fix it for a while?  There was an odd leak back in the 
1.4.x versions when creating graphic images, and there may be others in other 
versions.

-- 
   Les Mikesell
    lesmikesell@xxxxxxxxx
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