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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Robert Haas <robertmhaas@gmail.com>
Cc: Gurjeet Singh <gurjeet@singh.im>
Cc: Andres Freund <andres@2ndquadrant.com>
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: Tue, 10 Jun 2014 11:56:14 -0400
Message-ID: <31429.1402415774@sss.pgh.pa.us> (raw)
In-Reply-To: <CA+TgmoaBTgtTi4SUVuZw=Z5kj59AQCCp-hJw5sLcbokDSRaF-A@mail.gmail.com>
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Robert Haas <robertmhaas@gmail.com> writes:
> On Tue, Jun 10, 2014 at 11:29 AM, Tom Lane <tgl@sss.pgh.pa.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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