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

shveta malik <shveta.malik@gmail.com>

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

To: Ajin Cherian <itsajin@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>, shveta malik <shveta.malik@gmail.com>

Date: 2025-10-24T09:29:37Z

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

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?

thanks
Shveta