Horton

Re: Background writer and checkpointer in crash recovery

Thomas Munro <thomas.munro@gmail.com>

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From: Thomas Munro <thomas.munro@gmail.com>
To: Robert Haas <robertmhaas@gmail.com>
Cc: Aleksander Alekseev <aleksander@timescale.com>, PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>
Date: 2021-08-02T21:52:37Z
Lists: pgsql-hackers 
On Tue, Aug 3, 2021 at 1:17 AM Robert Haas <robertmhaas@gmail.com> wrote:
> That's great. I just realized that this leaves us with identical
> RequestCheckpoint() calls in two nearby places. Is there any reason
> not to further simplify as in the attached?

LGTM.

Commits

  1. Clear ps display of startup process at the end of recovery

  2. Further simplify a bit of logic in StartupXLOG().

  3. Run checkpointer and bgwriter in crash recovery.

  4. Add some checkpoint/restartpoint status to ps display

  5. Start background writer during archive recovery. Background writer now performs