| From: | Amit Kapila <amit(dot)kapila16(at)gmail(dot)com> |
|---|---|
| To: | Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com> |
| Cc: | Dilip Kumar <dilipbalaut(at)gmail(dot)com>, shveta malik <shveta(dot)malik(at)gmail(dot)com>, Bertrand Drouvot <bertranddrouvot(dot)pg(at)gmail(dot)com>, "Zhijie Hou (Fujitsu)" <houzj(dot)fnst(at)fujitsu(dot)com>, Peter Smith <smithpb2250(at)gmail(dot)com>, Nisha Moond <nisha(dot)moond412(at)gmail(dot)com>, "Hayato Kuroda (Fujitsu)" <kuroda(dot)hayato(at)fujitsu(dot)com>, Bharath Rupireddy <bharath(dot)rupireddyforpostgres(at)gmail(dot)com>, Peter Eisentraut <peter(dot)eisentraut(at)enterprisedb(dot)com>, Bruce Momjian <bruce(at)momjian(dot)us>, Ashutosh Sharma <ashu(dot)coek88(at)gmail(dot)com>, Andres Freund <andres(at)anarazel(dot)de>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>, Ajin Cherian <itsajin(at)gmail(dot)com>, Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org> |
| Subject: | Re: Synchronizing slots from primary to standby |
| Date: | 2024-01-23 05:39:02 |
| Message-ID: | CAA4eK1LYo8p3=dMZqq0WrDDtuE6gVxOzTX1SnccS6zw-L0ckdw@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Mon, Jan 22, 2024 at 8:42 PM Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com> wrote:
>
> On Mon, Jan 22, 2024 at 9:26 PM Amit Kapila <amit(dot)kapila16(at)gmail(dot)com> wrote:
> >
> > >
> > > Yes. IIUC the slotsync worker uses libpqwalreceiver to establish a
> > > non-replication connection and to execute SQL query. But neither of
> > > them are relevant with replication.
> > >
> >
> > But we are already using libpqwalreceiver to execute SQL queries via
> > tablesync worker.
>
> IIUC tablesync workers do both SQL queries and replication commands. I
> think the slotsync worker is the first background process who does
> only SQL queries in a non-replication command ( using
> libpqwalreceiver).
>
Yes, I agree but till now we didn't saw any problem with the same.
--
With Regards,
Amit Kapila.
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