| From: | Rajesh Kumar <rajeshkumar(dot)dba09(at)gmail(dot)com> |
|---|---|
| To: | Laurenz Albe <laurenz(dot)albe(at)cybertec(dot)at> |
| Cc: | SOzcn <selahattinozcnma(at)gmail(dot)com>, Pgsql-admin <pgsql-admin(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: Vacuum |
| Date: | 2024-01-02 19:52:15 |
| Message-ID: | CAJk5AtbUHzJFX-xDpeDq=gWXcgv1QteLjyo=JBLbbbQkHo5msA@mail.gmail.com |
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| Lists: | pgsql-admin |
Vacuum operation happens only in primary. How is that replicated?
On Wed, 3 Jan 2024, 01:04 Laurenz Albe, <laurenz(dot)albe(at)cybertec(dot)at> wrote:
> On Tue, 2024-01-02 at 18:33 +0300, SOzcn wrote:
> > Rajesh Kumar <rajeshkumar(dot)dba09(at)gmail(dot)com>, 2 Oca 2024 Sal, 18:07
> tarihinde şunu yazdı:
> > > Postgres 15
> > >
> > > I am creating a new replica, and after the data is caught up and
> replication lag is 0,
> > > I am doing a switchover and making a new replica as master.
> > >
> > > Now, in this case, do I have so vacuum analyze in master?
> >
> > Hello, I've tried the same thing, you need to analyze your databases in
> any case.
> > Don't need a Full vacuum.
>
> I don't think that is true.
> Both table statistics and the effects of VACUUM are replicated.
>
> What is not replicated are the statistics in "pg_stat_all_tables", so
> autovacuum
> loses its brain during a switchover.
>
> Yours,
> Laurenz Albe
>
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