| From: | Andres Freund <andres(at)anarazel(dot)de> |
|---|---|
| To: | Robert Haas <robertmhaas(at)gmail(dot)com> |
| Cc: | Bharath Rupireddy <bharath(dot)rupireddyforpostgres(at)gmail(dot)com>, "Drouvot, Bertrand" <bertranddrouvot(dot)pg(at)gmail(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: Introduce a new view for checkpointer related stats |
| Date: | 2022-11-30 00:31:30 |
| Message-ID: | 20221130003130.mfanvvyv3dt4ipnm@awork3.anarazel.de |
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| Lists: | pgsql-hackers |
Hi,
On 2022-11-28 12:58:48 -0500, Robert Haas wrote:
> On Tue, Nov 22, 2022 at 3:53 PM Andres Freund <andres(at)anarazel(dot)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.
Seems most agree with that... WFM.
But:
> I don't think it matters very much when we force them to do that.
I don't think that's true. If we remove the columns when the last version
without pg_stat_checkpointer has gone out of support, users don't need to have
version switches in their monitoring setups.
Greetings,
Andres Freund
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