Re: Synchronizing slots from primary to standby

From: shveta malik <shveta(dot)malik(at)gmail(dot)com>
To: "Zhijie Hou (Fujitsu)" <houzj(dot)fnst(at)fujitsu(dot)com>
Cc: Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com>, "Drouvot, Bertrand" <bertranddrouvot(dot)pg(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>, shveta malik <shveta(dot)malik(at)gmail(dot)com>
Subject: Re: Synchronizing slots from primary to standby
Date: 2024-01-04 04:57:31
Message-ID: CAJpy0uDWgSBUsTav1Eeo7E7i38GjXr_o0WdWamm3jGdctcoC4A@mail.gmail.com
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On Thu, Jan 4, 2024 at 9:18 AM shveta malik <shveta(dot)malik(at)gmail(dot)com> wrote:
>
> On Wed, Jan 3, 2024 at 6:33 PM Zhijie Hou (Fujitsu)
> <houzj(dot)fnst(at)fujitsu(dot)com> wrote:
> >
> > On Tuesday, January 2, 2024 6:32 PM shveta malik <shveta(dot)malik(at)gmail(dot)com> wrote:
> > > On Fri, Dec 29, 2023 at 10:25 AM Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>
> > >
> > > The topup patch has also changed app_name to
> > > {cluster_name}_slotsyncworker so that we do not confuse between walreceiver
> > > and slotsyncworker entry.
> > >
> > > Please note that there is no change in rest of the patches, changes are in
> > > additional 0004 patch alone.
> >
> > Attach the V56 patch set which supports ALTER SUBSCRIPTION SET (failover).
> > This is useful when user want to refresh the publication tables, they can now alter the
> > failover option to false and then execute the refresh command.
> >
> > Best Regards,
> > Hou zj
>
> The patches no longer apply to HEAD due to a recent commit 007693f. I
> am working on rebasing and will post the new patches soon
>
> thanks
> Shveta

Commit 007693f has changed 'conflicting' to 'conflict_reason', so
adjusted the code around that in the slotsync worker.

Also removed function 'pg_get_slot_invalidation_cause' as now
conflict_reason tells the same.

PFA rebased patches with above changes.

thanks
Shveta

Attachment Content-Type Size
v57-0004-Non-replication-connection-and-app_name-change.patch application/octet-stream 8.6 KB
v57-0003-Allow-logical-walsenders-to-wait-for-the-physica.patch application/octet-stream 44.3 KB
v57-0001-Enable-setting-failover-property-for-a-slot-thro.patch application/octet-stream 117.7 KB
v57-0002-Add-logical-slot-sync-capability-to-the-physical.patch application/octet-stream 91.5 KB

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