Re: Improve pg_sync_replication_slots() to wait for primary to advance - Mailing list pgsql-hackers

From Ashutosh Sharma
Subject Re: Improve pg_sync_replication_slots() to wait for primary to advance
Date
Msg-id CAE9k0P=EWTch6GMMi9YdYbys7sbJtazkR7nQHr5CaVSXMDvCuQ@mail.gmail.com
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In response to Re: Improve pg_sync_replication_slots() to wait for primary to advance  (Ajin Cherian <itsajin@gmail.com>)
Responses Re: Improve pg_sync_replication_slots() to wait for primary to advance
List pgsql-hackers
Hi,

On Wed, Sep 3, 2025 at 3:20 PM Ajin Cherian <itsajin@gmail.com> wrote:
>
> On Wed, Sep 3, 2025 at 6:47 PM shveta malik <shveta.malik@gmail.com> wrote:
> >
> > On Wed, Sep 3, 2025 at 11:58 AM Ajin Cherian <itsajin@gmail.com> wrote:
> > >
> > > Attaching v10 with the above changes.
> > >
> >
> > The patch does not apply on HEAD. Can you please rebase?
>
> Rebased and made a small change as well to use TopMemoryContext rather
> than create a new context for slot_list.
>

If the remote slot is inactive since long and lagging behind the
standby, this function (pg_sync_replication_slots) could end up
waiting indefinitely. While it can certainly be cancelled manually,
that behavior might not be ideal for everyone. That’s my
understanding; please let me know if you see it differently.

--
With Regards,
Ashutosh Sharma.



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