Re: cgroup memory limit problems

["Arkadiusz Miśkiewicz" <arekm-evZBlRFTdvA@public.gmane.org>]

On Wednesday 09 of November 2011, Daniel Lezcano wrote:
> On 11/09/2011 09:57 PM, Arkadiusz Miśkiewicz wrote:
> > Hi,
> > 
> > I have a machine with 6GB of ram and a cgroup for apache processes
> > limited to
> > 
> >                 memory.limit_in_bytes = "5100M";
> >                 memory.soft_limit_in_bytes = "5000M";
> > 
> > Unfortunately when apache processes ate all ram assigned to their cgroup
> > load on whole machine jumps the roof.
> > 
> > cgroup aware OOM kicks in, kills one process and that doesn't help.
> 
> Did you try to disable the oom with the "memory.oom_control" file by
> setting it to "1" ?

No, will try.

> 
> If the cgroup runs out of memory they should be stopped until you give
> more memory or kill some tasks.

I hope these tasks will be allowed to be killed when oom will be disabled. 
Right now it's often impossible to kill these.

Anyway I would preffer httpd processed to be automaticly killed without manual 
intervention. 

> Hope that helps
>   -- Daniel


-- 
Arkadiusz Miśkiewicz        PLD/Linux Team
arekm / maven.pl            http://ftp.pld-linux.org/
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