Re: Introduce a new view for checkpointer related stats

Amit Kapila <amit.kapila16@gmail.com>

From: Amit Kapila <amit.kapila16@gmail.com>
To: Robert Haas <robertmhaas@gmail.com>
Cc: Andres Freund <andres@anarazel.de>, Bharath Rupireddy <bharath.rupireddyforpostgres@gmail.com>, "Drouvot, Bertrand" <bertranddrouvot.pg@gmail.com>, PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>
Date: 2022-11-29T12:52:29Z
Lists: pgsql-hackers
On Mon, Nov 28, 2022 at 11:29 PM Robert Haas <robertmhaas@gmail.com> wrote:
>
> On Tue, Nov 22, 2022 at 3:53 PM Andres Freund <andres@anarazel.de> wrote:
> > I think we should consider deprecating the pg_stat_bgwriter columns but
> > leaving them in place for a few years. New stuff should only be added to
> > pg_stat_checkpointer, but we don't need to break old monitoring queries.
>
> I vote to just remove them. I think that most people won't update
> their queries until they are forced to do so.  I don't think it
> matters very much when we force them to do that.
>

+1.

-- 
With Regards,
Amit Kapila.



Commits

  1. Expand regression tests for pg_stat_reset_shared()

  2. Introduce pg_stat_checkpointer

  3. Remove buffers_backend and buffers_backend_fsync from pg_stat_checkpointer