Re: 2.6.20-rc5: cp 18gb 18gb.2 = OOM killer, reproducible just like 2.16.19.2

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On Thu, 25 Jan 2007, Mark Hahn wrote:

> > Something is seriously wrong with that OOM killer.
> 
> do you know you don't have to operate in OOM-slaughter mode?
> 
> "vm.overcommit_memory = 2" in your /etc/sysctl.conf puts you into a mode where
> the kernel tracks your "committed" memory needs, and will eventually cause
> some allocations to fail.
> this is often much nicer than the default random OOM slaughter.
> (you probably also need to adjust vm.overcommit_ratio with some knowlege of
> your MemTotal and SwapTotal.)
> 
> regards, mark hahn.
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> 

# sysctl -a | grep vm.over
vm.overcommit_ratio = 50
vm.overcommit_memory = 0

I'll have to experiment with these options, thanks for the info!

Justin.
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