Re: pg_upgrade and logical replication

On Mon, Nov 13, 2023 at 5:01 PM Amit Kapila <amit.kapila16@gmail.com> wrote:
>
> On Fri, Nov 10, 2023 at 7:26 PM vignesh C <vignesh21@gmail.com> wrote:
> >
> > Thanks for the comments, the attached v13 version patch has the
> > changes for the same.
> >
>
> +
> + ReplicationOriginNameForLogicalRep(subid, InvalidOid, originname,
> sizeof(originname));
> + originid = replorigin_by_name(originname, false);
> + replorigin_advance(originid, sublsn, InvalidXLogRecPtr,
> +    false /* backward */ ,
> +    false /* WAL log */ );
>
> This seems to update the origin state only in memory. Is it sufficient
> to use this here?
>

I think it is probably getting ensured by clean shutdown
(shutdown_checkpoint) which happens on the new cluster after calling
this function. We can probably try to add a comment for it. BTW, we
also need to ensure that max_replication_slots is configured to a
value higher than origins we are planning to create on the new
cluster.

--
With Regards,
Amit Kapila.