Re: Improve pg_sync_replication_slots() to wait for primary to advance

Ajin Cherian <itsajin@gmail.com>

From: Ajin Cherian <itsajin@gmail.com>

To: shveta malik <shveta.malik@gmail.com>

Cc: Ashutosh Bapat <ashutosh.bapat.oss@gmail.com>, Ashutosh Sharma <ashu.coek88@gmail.com>, Amit Kapila <amit.kapila16@gmail.com>, PostgreSQL mailing lists <pgsql-hackers@postgresql.org>

Date: 2025-10-27T07:47:28Z

Lists: pgsql-hackers

Commits

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Enhance slot synchronization API to respect promotion signal.
- 4bed04d39566 17.10 landed
- 94efd308bcec 18.4 landed
- 1362bc33e025 19 (unreleased) landed
Fix inconsistent elevel in pg_sync_replication_slots() retry logic.
- f1ddaa15357f 19 (unreleased) landed
Refactor slot synchronization logic in slotsync.c.
- 788ec96d591d 19 (unreleased) landed
Fix intermittent BF failure in 040_standby_failover_slots_sync.
- b47c50e5667b 19 (unreleased) landed
Add retry logic to pg_sync_replication_slots().
- 0d2d4a0ec3ec 19 (unreleased) landed
Fix LOCK_TIMEOUT handling in slotsync worker.
- 04396eacd3fa 19 (unreleased) cited
Add slotsync skip statistics.
- 76b78721ca49 19 (unreleased) cited

Attachments

v19-0001-Improve-initial-slot-synchronization-in-pg_sync_.patch (application/octet-stream) patch v19-0001

On Fri, Oct 24, 2025 at 8:29 PM shveta malik <shveta.malik@gmail.com> wrote:
>
> On Wed, Oct 22, 2025 at 10:25 AM Ajin Cherian <itsajin@gmail.com> wrote:
> >
> >
> > I've modified the comments to reflect the new changes.
> >
> > attaching patch v18 with the above changes.
> >
>
> Thanks for the patch. The test is still not clear. Can we please add
> the test after the test of "Test logical failover slots corresponding
> to different plugins" finishes instead of adding it in between?
>

I've rewritten the tests again to make this possible. Attaching v19
which has the modified tap test.

regards,
Ajin Cherian
Fujitsu Australia