Re: /proc/self/oom_adj is deprecated in newer Linux kernels - Mailing list pgsql-hackers

From Tom Lane
Subject Re: /proc/self/oom_adj is deprecated in newer Linux kernels
Date
Msg-id 4408.1403136914@sss.pgh.pa.us
Whole thread Raw
In response to Re: /proc/self/oom_adj is deprecated in newer Linux kernels  (Gurjeet Singh <gurjeet@singh.im>)
Responses Re: /proc/self/oom_adj is deprecated in newer Linux kernels
List pgsql-hackers
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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