Re: Implement waiting for wal lsn replay: reloaded - Mailing list pgsql-hackers

On Tue, Apr 7, 2026 at 9:46 PM Alexander Korotkov <aekorotkov@gmail.com> wrote:
>
> On Tue, Apr 7, 2026, 16:18 Andres Freund <andres@anarazel.de> wrote:
>>
>> Hi,
>>
>> On 2026-04-07 21:05:40 +0800, Xuneng Zhou wrote:
>> > I’ve posted two patches. The first fixes the duplication issue
>> > reported by Andres and is fairly straightforward. The second turned
>> > out to be more complex than expected, and I’m still working through
>> > possible solutions. Feedback or alternative approaches would be very
>> > helpful.
>> > I also spent some time drafting a patch to address the memory ordering
>> > issue and will post it later.
>>
>> I propose quickly applying a minimal patch like the attached, to get the test
>> performance back to normal.
>>
>> Will do so unless somebody protests within in one CI cycle and one coffee.
>
>
> I would be able to review them only after several hours. But +1 for applying now to get rid of buildfarm slowdown.

Here is a patch addressing the memory order issue reported earlier.

--
Best,
Xuneng