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Re: Out of Memory issue (was: redhat-list Digest, Vol 47, Issue 16)



On Fri, 2008-01-18 at 12:00 -0500, redhat-list-request redhat com wrote:
> Message: 7
> Date: Fri, 18 Jan 2008 11:33:38 +0000
> From: Andrew Bridgeman corusgroup com
> Subject: Re: Out of Memory issue (was: redhat-list Digest, Vol 47,
> 	Issue 15)
> To: General Red Hat Linux discussion list <redhat-list redhat com>
> Message-ID:
> 	<OF37A438A0 91FE34B0-ON802573D4 003F1B52-802573D4 003F5D70 corusgroup com>
> 	
> Content-Type: text/plain; charset=windows-1256
>
> Thanks for the reply. I have checked the two overcommit parameters and they
> are set as below:
> 
> overcommit_memory=0
> overcommit_ratio= 50
> 
> What settings would you suggest i try?

That would depend on the allocation patterns of your applications. On a
system with 2 GB of RAM and 2 GB of swap, I have tested:

overcommit_memory=2
overcommit_ratio=98

and I could allocate (and use) 3.8 GB of memory for an application
without triggering the OOM. You may need to test some values before you
decide what's best for you.

Good luck :)

 -Imed

-- 
Imed Chihi - عماد الشيحي
Senior Technical Account Manager         Office: +44-1-252-362-962
http://www.redhat.com/promo/vendor     Mobile: +44-7-921-700-936



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