Horton

Re: BUG #19490: Streaming standby on 16.14 stops applying WAL on MultiXactOffsetSLRU when primary is 16.8

Heikki Linnakangas <hlinnaka@iki.fi>

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From: Heikki Linnakangas <hlinnaka@iki.fi>
To: Andrey Borodin <x4mmm@yandex-team.ru>
Cc: Nazneen Jafri <jafrinazneen@gmail.com>, Michael Paquier <michael@paquier.xyz>, Ayush Tiwari <ayushtiwari.slg01@gmail.com>, Radim Marek <radim@boringsql.com>, Marko Tiikkaja <marko@joh.to>, PostgreSQL mailing lists <pgsql-bugs@lists.postgresql.org>
Date: 2026-05-31T10:14:43Z
Lists: pgsql-hackers 
On 29/05/2026 21:06, Andrey Borodin wrote:
>> On 27 May 2026, at 17:08, Andrey Borodin <x4mmm@yandex-team.ru> wrote:
>>
>> I'll try to get this test module to usable state and enable on my animal.
> 
> "hippocampus" now checks backward WAL compatibility for every commit into back
> branches.
> 
> WAL trace for verification is installcheck with PG_TEST_EXTRA=replay_xversion
> and special multixact workload that was tested to catch bug in this thread.

That's awesome, thank you!

- Heikki