| From: | Tomas Vondra <tomas(dot)vondra(at)2ndquadrant(dot)com> |
|---|---|
| To: | Robert Haas <robertmhaas(at)gmail(dot)com>, 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: | 2018-03-08 01:16:52 |
| Message-ID: | 0bd41f06-6a75-e659-b2fc-20bb7f7577c3@2ndquadrant.com |
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| Lists: | pgsql-hackers |
On 03/07/2018 03:21 PM, Robert Haas wrote:
> On Wed, Mar 7, 2018 at 8:59 AM, Prabhat Sahu
> <prabhat(dot)sahu(at)enterprisedb(dot)com <mailto: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?
>
FWIW that's usually written to the system log. Does dmesg say something
about the kill?
regards
--
Tomas Vondra http://www.2ndQuadrant.com
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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