Re: Memory usage per memory zone
From: Wu Fengguang
Date: Wed Mar 11 2009 - 07:44:52 EST
Hi jack,
On Wed, Mar 11, 2009 at 11:41:43AM +0100, jack marrow wrote:
> Hello,
>
> I have a box where the oom-killer is killing processes due to running
> out of memory in zone_normal. I can see using slabtop that the inode
How do you know that the memory pressure on zone normal stand out alone?
> caches are using up lots of memory and guess this is the problem, so
> have cleared them using an echo to drop_caches.
It would better be backed by concrete numbers...
>
> I would quite like to not guess though - is it possible to use slabtop
> (or any other way) to view ram usage per zone so I can pick out the
> culprit?
/proc/zoneinfo and /proc/vmstat do have some per-zone numbers.
Some of them deal with slabs.
Thanks,
Fengguang
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