Re: Parallel Index Scan vs BTP_DELETED and BTP_HALF_DEAD

From: Thomas Munro <thomas(dot)munro(at)enterprisedb(dot)com>
To: Pg Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Parallel Index Scan vs BTP_DELETED and BTP_HALF_DEAD
Date: 2017-12-11 03:07:23
Message-ID: CAEepm=0Appt4fnevd32soryna2_o3quNRh2dc=+9mbSz7CheRQ@mail.gmail.com
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On Mon, Dec 11, 2017 at 3:51 PM, Thomas Munro
<thomas(dot)munro(at)enterprisedb(dot)com> wrote:
> I heard a report of a 10.1 cluster hanging with several 'BtreePage'
> wait_events showing in pg_stat_activity.

I forgot to add, for bug reporter credit purposes: thanks to Patrick
Hemmer for the off-list report and backtrace. He's able to work
around this recurring problem for now by disabling parallelism.

--
Thomas Munro
http://www.enterprisedb.com

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