Re: [WIP] speeding up GIN build with parallel workers

From: David Steele <david(at)pgmasters(dot)net>
To: Oleg Bartunov <obartunov(at)gmail(dot)com>
Cc: "Constantin S(dot) Pan" <kvapen(at)gmail(dot)com>, Pgsql Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: [WIP] speeding up GIN build with parallel workers
Date: 2016-03-14 12:42:26
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On 2/18/16 10:10 AM, Constantin S. Pan wrote:
> On Wed, 17 Feb 2016 23:01:47 +0300
> Oleg Bartunov <obartunov(at)gmail(dot)com> wrote:
>> My feedback is (Mac OS X 10.11.3)
>> set gin_parallel_workers=2;
>> create index message_body_idx on messages using gin(body_tsvector);
>> LOG: worker process: parallel worker for PID 5689 (PID 6906) was
>> terminated by signal 11: Segmentation fault
> Fixed this, try the new patch. The bug was in incorrect handling
> of some GIN categories.

Oleg, it looks like Constantin has updated to patch to address the issue
you were seeing. Do you have time to retest and review?


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