Re: oom-killer with 27G free swap and overcommit_memory=2

From: Al Boldi
Date: Tue Aug 28 2007 - 01:18:57 EST


Patrick J. LoPresti wrote:
> My system is a SunFire x4100 (x86_64) with 16G of RAM and 32G of swap
> in a single partition. I have an application which consumes a lot of
> memory, and after a few hours the oom-killer kills it.
>
> This would not be surprising, except a) the machine still has 27G of
> free swap at the time; and b) it happens even when I set
> vm.overcommit_memory=2 (with overcommit_ratio=50). It is
> time-consuming to reproduce, but consistent.
:
:
> 2) Is there any sysctl setting that might "avoid" this problem? Or a
> way to change my application to avoid it?

Try setting the overcommit_ratio=0.


Thanks!

--
Al

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