Re: [HACKERS] Parallel tuplesort (for parallel B-Tree index creation)

From: Peter Geoghegan <pg(at)bowt(dot)ie>
To: Tomas Vondra <tomas(dot)vondra(at)2ndquadrant(dot)com>
Cc: Robert Haas <robertmhaas(at)gmail(dot)com>, Prabhat Sahu <prabhat(dot)sahu(at)enterprisedb(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Andres Freund <andres(at)anarazel(dot)de>, Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, Thomas Munro <thomas(dot)munro(at)enterprisedb(dot)com>, Rushabh Lathia <rushabh(dot)lathia(at)gmail(dot)com>, Heikki Linnakangas <hlinnaka(at)iki(dot)fi>, Pg Hackers <pgsql-hackers(at)postgresql(dot)org>, Corey Huinker <corey(dot)huinker(at)gmail(dot)com>
Subject: Re: [HACKERS] Parallel tuplesort (for parallel B-Tree index creation)
Date: 2018-03-08 01:40:18
Message-ID: CAH2-WzkCnVR+cGFtdJJg8YB_3fTHtcEyb9cTSNS4WXCuemDXdw@mail.gmail.com
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On Wed, Mar 7, 2018 at 5:16 PM, Tomas Vondra
<tomas(dot)vondra(at)2ndquadrant(dot)com> wrote:
> FWIW that's usually written to the system log. Does dmesg say something
> about the kill?

While it would be nice to confirm that it was indeed the OOM killer,
either way the crash happened because SIGKILL was sent to a parallel
worker. There is no reason to suspect a bug.

--
Peter Geoghegan

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