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

From: Robert Haas <robertmhaas(at)gmail(dot)com>
To: Prabhat Sahu <prabhat(dot)sahu(at)enterprisedb(dot)com>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Peter Geoghegan <pg(at)bowt(dot)ie>, 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: 2018-03-07 14:21:24
Message-ID: CA+TgmoaLsNU32n6gsDcimEigmDo9_Ly=ZCf9_+DKbVzwXNjTYw@mail.gmail.com
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On Wed, Mar 7, 2018 at 8:59 AM, Prabhat Sahu <prabhat(dot)sahu(at)enterprisedb(dot)com>
wrote:
>
> 2018-03-07 19:24:44.263 IST [54400] LOG: background worker "parallel
> worker" (PID 54482) was terminated by signal 9: Killed
>

That looks like the background worker got killed by the OOM killer. How
much memory do you have in the machine where this occurred?

--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

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