Horton

Re: pg_logical_slot_get_changes waits continously for a partial WAL record spanning across 2 pages

Tom Lane <tgl@sss.pgh.pa.us>

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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Alexander Korotkov <aekorotkov@gmail.com>
Cc: Michael Paquier <michael@paquier.xyz>, vignesh C <vignesh21@gmail.com>, "Hayato Kuroda (Fujitsu)" <kuroda.hayato@fujitsu.com>, PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>, Amit Kapila <amit.kapila16@gmail.com>, Melanie Plageman <melanieplageman@gmail.com>
Date: 2025-07-19T22:57:10Z
Lists: pgsql-hackers 
Alexander Korotkov <aekorotkov@gmail.com> writes:
> On Sat, Jul 19, 2025 at 10:49 PM Tom Lane <tgl@sss.pgh.pa.us> wrote:
>> So my impression is that the bug is not reliably fixed in 17.

> Thank you for pointing!
> Apparently I've backpatched d3917d8f13e7 everywhere but not in
> REL_17_STABLE.  Will be fixed now.

Hah ... well, at least we know the test works!

			regards, tom lane

Commits

  1. Fix infinite wait when reading a partially written WAL record

  2. Improve the stability of the recovery test 047_checkpoint_physical_slot

  3. Improve recovery test 046_checkpoint_logical_slot