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SubjectRe: How to immunize a process from the OOM Killer
On Thu, 29 Oct 2009, Juan Miscaro wrote:

> Hi, I'm running 2.6.24 on Ubuntu.
>
> I've got a OOM Killer gone wild. I have plenty of free memory (over
> 40 GB) and lots of processes are being murdered. Anyway, I would like
> to first prevent a few processes from being killed in the hopes of
> buying me time (users can work) to discover why the killer is being
> invoked in the first place.
>
> I've read in a few places [1] that in order to immunize a process you
> need to modify the value of /proc/PID/oom_adj. Thing is, such files
> cannot be edited directly. How do I achieve my goal?
>

You need to do it as the superuser:

$ sudo su
# echo -17 > /proc/pid/oom_adj

or

sudo sh -c "echo -17 > /proc/pid/oom_adj"


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