Re: Exit walsender before confirming remote flush in logical replication - Mailing list pgsql-hackers

On Sun, Jan 18, 2026 at 1:20 AM Andrey Silitskiy
<a.silitskiy@postgrespro.ru> wrote:
>
> On Jan 9, 2026 at 10:04 AM Fujii Masao
> <masao(dot)fujii(at)gmail(dot)com> wrote:
> > Why do we need to send a "done" message to the receiver here?
> > Since delivery isn't guaranteed in immediate mode, it seems of limited
> > value.
>
> It seems to me that it is better to send a message in cases where it is
> possible, so as not to raise errors on the subscriber during a clean shutdown.
> And when this is not possible, exit the process without waiting.
>
> > For the immediate mode, would it make sense to log that the walsender is
> > terminating in immediate mode and that WAL replication may be incomplete,
> > so users can more easily understand what happened?
>
> Added to the latest patch.

Thanks for updating the patch!

cfbot is reporting a test failure. Could you please look into it and
fix the issue?
https://cirrus-ci.com/github/postgresql-cfbot/postgresql/cf%2F6234

Regards,

--
Fujii Masao