Horton

Re: [COMMITTERS] pgsql: Allow time delayed standbys and recovery

Robert Haas <robertmhaas@gmail.com>

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From: Robert Haas <robertmhaas@gmail.com>
To: Thom Brown <thom@linux.com>
Cc: Magnus Hagander <magnus@hagander.net>, Simon Riggs <simon.riggs@enterprisedb.com>, PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>
Date: 2022-04-06T12:15:19Z
Lists: pgsql-hackers 
On Tue, Apr 5, 2022 at 8:43 PM Thom Brown <thom@linux.com> wrote:
> I share your discomfort with the wording.  How about:
>
> WAL records must be kept on standby until they are ready to be applied.
> Therefore, longer delays will result in a greater accumulation of WAL files,
> increasing disk space requirements for the standby's <filename>pg_wal</>
> directory.

Looks awesome.

-- 
Robert Haas
EDB: http://www.enterprisedb.com

Commits

  1. docs: Note the recovery_min_apply_delay bloats pg_wal.

  2. Allow time delayed standbys and recovery