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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Gurjeet Singh <gurjeet@singh.im>
Cc: Andres Freund <andres@anarazel.de>
Cc: Peter Eisentraut <peter_e@gmx.net>
Cc: PGSQL Hackers <pgsql-hackers@postgresql.org>
Subject: Re: /proc/self/oom_adj is deprecated in newer Linux kernels
Date: Wed, 18 Jun 2014 20:15:14 -0400
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Gurjeet Singh <gurjeet@singh.im> writes:
> On Tue, Jun 10, 2014 at 12:05 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>> If we're going to do this, I would say that we should also take the
>> opportunity to get out from under the question of which kernel API
>> we're dealing with.  So perhaps a design like this:
>> 
>> 1. If the environment variable PG_OOM_ADJUST_FILE is defined, it's
>> the name of a file to write something into after forking.  The typical
>> value would be "/proc/self/oom_score_adj" or "/proc/self/oom_adj".
>> If not set, nothing happens.
>> 
>> 2. If the environment variable PG_OOM_ADJUST_VALUE is defined, that's
>> the string we write, otherwise we write "0".

> Please find attached the patch. It includes the doc changes as well.

Applied with some editorialization.

			regards, tom lane


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