Thread (45 messages) 45 messages, 4 authors, 2011-03-18

Re: [patch] memcg: add oom killer delay

From: David Rientjes <rientjes@google.com>
Date: 2011-03-08 03:56:35

On Tue, 8 Mar 2011, KAMEZAWA Hiroyuki wrote:
quoted
I was referring specifically to the memcg which a job scheduler or 
userspace daemon responsible for doing so is attached.  If the thread 
responsible for managing memcgs and increasing limits or killing off lower 
priority jobs is in a memcg that is oom, there is a chance it will never 
be able to respond to the condition.
I just think memcg for such daemons shouldn't have any limit or must not
set oom_disable. I think you know that. So, the question is why you can't
do it ?  Is there special reason which comes from cgroup's characteristics ?
Being in the root memcg doesn't mean the aggregate of your memcg's hard 
limits can't exceed the system's memory capacity.

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