| From: | Bertrand Drouvot <bertranddrouvot(dot)pg(at)gmail(dot)com> |
|---|---|
| To: | Amit Kapila <amit(dot)kapila16(at)gmail(dot)com> |
| Cc: | "Zhijie Hou (Fujitsu)" <houzj(dot)fnst(at)fujitsu(dot)com>, Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com>, Dilip Kumar <dilipbalaut(at)gmail(dot)com>, shveta malik <shveta(dot)malik(at)gmail(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: | 2024-01-15 09:24:33 |
| Message-ID: | ZaT50TDdxI7OYXUS@ip-10-97-1-34.eu-west-3.compute.internal |
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| Lists: | pgsql-hackers |
Hi,
On Sat, Jan 13, 2024 at 10:05:52AM +0530, Amit Kapila wrote:
> On Fri, Jan 12, 2024 at 12:07 PM Bertrand Drouvot
> <bertranddrouvot(dot)pg(at)gmail(dot)com> wrote:
> > Maybe the "best" approach would be to have a way to detect that a slot has been
> > re-created on the primary (but that would mean rely on more than the slot name
> > to "identify" a slot and probably add a new member to the struct to do so).
> >
>
> Right, I also thought so but not sure further complicating the slot
> machinery is worth detecting this case explicitly. If we see any
> problem with the idea discussed then we may need to think something
> along those lines.
Yeah, let's see. On one side that would require extra work but on the other side
that would also probably simplify (and less bug prone in the mid-long term?)
other parts of the code.
Regards,
--
Bertrand Drouvot
PostgreSQL Contributors Team
RDS Open Source Databases
Amazon Web Services: https://aws.amazon.com
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