Re: Synchronizing slots from primary to standby

On Tue, Feb 8, 2022 at 08:27:32PM +0530, Ashutosh Sharma wrote:
> > Which means that if e.g. the standby_slot_names GUC differs from
> > synchronize_slot_names on the physical replica, the slots synchronized on the
> > physical replica are not going to be valid. Or if the primary drops its
> > logical slots.
> >
> >
> > > Should the redo function for the drop replication slot have the capability
> > > to drop it on standby and its subscribers (if any) as well?
> >
> > Slots are not WAL logged (and shouldn't be).
> >
> > I think you pretty much need the recovery conflict handling infrastructure I
> > referenced upthread, which recognized during replay if a record has a conflict
> > with a slot on a standby. And then ontop of that you can build something like
> > this patch.
> >
>
> OK. Understood, thanks Andres.

I would love to see this feature in PG 15. Can someone explain its
current status? Thanks.

--
Bruce Momjian <bruce(at)momjian(dot)us> https://momjian.us
EDB https://enterprisedb.com

If only the physical world exists, free will is an illusion.