Re: /proc/self/oom_adj is deprecated in newer Linux kernels

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Robert Haas <robertmhaas(at)gmail(dot)com>
Cc: Gurjeet Singh <gurjeet(at)singh(dot)im>, Andres Freund <andres(at)2ndquadrant(dot)com>, Peter Eisentraut <peter_e(at)gmx(dot)net>, PGSQL Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: /proc/self/oom_adj is deprecated in newer Linux kernels
Date: 2014-06-10 15:56:14
Message-ID: 31429.1402415774@sss.pgh.pa.us
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Robert Haas <robertmhaas(at)gmail(dot)com> writes:
> On Tue, Jun 10, 2014 at 11:29 AM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>> If you think your users might want to give the postmaster OOM-exemption,
>> why don't you just activate the existing code when you build? Resetting
>> the OOM setting to zero is safe whether or not the startup script did
>> anything to the postmaster's setting.

> The whole scenario here is that the user *doesn't want to recompile*.

Yeah, I understood that. The question is why EDB isn't satisfied to just
add "-DLINUX_OOM_ADJ=0" to their build options, but instead would like to
dump a bunch of uncertainty on other packagers who might not like the
implications of a GUC.

regards, tom lane

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