| From: | Amit Kapila <amit(dot)kapila16(at)gmail(dot)com> |
|---|---|
| To: | shveta malik <shveta(dot)malik(at)gmail(dot)com> |
| Cc: | Bertrand Drouvot <bertranddrouvot(dot)pg(at)gmail(dot)com>, Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com>, "Zhijie Hou (Fujitsu)" <houzj(dot)fnst(at)fujitsu(dot)com>, Dilip Kumar <dilipbalaut(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: | 2024-01-25 03:43:05 |
| Message-ID: | CAA4eK1+4PhO-f4+2fForG6MOEj3jbtee_PYPtwtgww=onC5DSQ@mail.gmail.com |
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On Wed, Jan 24, 2024 at 5:17 PM shveta malik <shveta(dot)malik(at)gmail(dot)com> wrote:
>
> PFA v67. Note that the GUC (enable_syncslot) name is unchanged. Once
> we have final agreement on the name, we can make the change in the
> next version.
>
> Changes in v67 are:
>
> 1) Addressed comments by Peter given in [1].
> 2) Addressed comments by Swada-San given in [2].
> 3) Removed syncing 'failover' on standby from remote_slot. The
> 'failover' field will be false for synced slots. Since we do not
> support sync to cascading standbys yet, thus failover=true was
> misleading and unused there.
>
But what will happen after the standby is promoted? After promotion,
ideally, it should have failover enabled, so that the slots can be
synced. Also, note that corresponding subscriptions still have the
failover flag enabled. I think we should copy the 'failover' option
for the synced slots.
--
With Regards,
Amit Kapila.
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