Re: pgsql: Fix race in test of pg_switch_wal().

From: Michael Paquier <michael(at)paquier(dot)xyz>
To: Noah Misch <noah(at)leadboat(dot)com>
Cc: pgsql-committers(at)lists(dot)postgresql(dot)org
Subject: Re: pgsql: Fix race in test of pg_switch_wal().
Date: 2020-09-14 08:27:07
Message-ID: 20200914082707.GH2183@paquier.xyz
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On Mon, Sep 14, 2020 at 06:19:38AM +0000, Noah Misch wrote:
> Fix race in test of pg_switch_wal().
>
> The test failed when something added WAL between pg_switch_wal() and
> pg_current_wal_lsn(), seen on buildfarm members hornet and sungazer.
> Fix v10, v9.6 and v9.5 by making this code mirror its v13+ counterpart.
> v12 and v11 lack a counterpart.

Thanks Noah for that, I did not notice those buildfarm failures:
https://buildfarm.postgresql.org/cgi-bin/show_log.pl?nm=hornet&dt=2020-07-24%2010%3A24%3A56

It is fine to ping me or just to begin a thread if there is a problem,
I would have taken care of it.

Thanks,
--
Michael

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