Re: Setting oom_adj on linux?

Magnus Hagander <magnus@hagander.net>

From: Magnus Hagander <magnus@hagander.net>
To: Andrew Dunstan <andrew@dunslane.net>
Cc: Alvaro Herrera <alvherre@commandprompt.com>, PostgreSQL-development <pgsql-hackers@postgresql.org>
Date: 2010-01-04T16:10:54Z
Lists: pgsql-hackers
On Mon, Jan 4, 2010 at 17:07, Andrew Dunstan <andrew@dunslane.net> wrote:
>
>
> Magnus Hagander wrote:
>>
>> On Mon, Jan 4, 2010 at 16:45, Alvaro Herrera <alvherre@commandprompt.com>
>> wrote:
>>
>>>
>>> Magnus Hagander wrote:
>>>
>>>>
>>>> I realize this is a very platform-specific thing, but should we
>>>> consider setting the value of /proc/<pid>/oom_adj when running on
>>>> linux? See:
>>>>
>>>
>>>
>>> http://archives.postgresql.org/message-id/20080201223336.GC24780%40alvh.no-ip.org
>>>
>>
>> Grr. I had zero recollectoin of that :S
>>
>> Can't find a useful consensus though?
>>
>>
>
> It is probably worth trying to protect the postmaster in the init script.
> Beyond that things probably start to get fairly difficult.

Right. But AFAICS (though I haven't tested with -17), it will become
inherited to children, which is something we'd want to *undo*, no?


-- 
 Magnus Hagander
 Me: http://www.hagander.net/
 Work: http://www.redpill-linpro.com/