| From: | Bruce Momjian <bruce(at)momjian(dot)us> |
|---|---|
| To: | Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com> |
| Cc: | PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: lost replication slots after pg_upgrade |
| Date: | 2020-10-13 16:57:44 |
| Message-ID: | 20201013165744.GF24889@momjian.us |
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| Thread: | |
| Lists: | pgsql-hackers |
On Tue, Oct 13, 2020 at 06:37:14PM +0200, Pavel Stehule wrote:
>
>
> út 13. 10. 2020 v 18:33 odesílatel Bruce Momjian <bruce(at)momjian(dot)us> napsal:
>
> On Tue, Oct 13, 2020 at 06:20:41PM +0200, Pavel Stehule wrote:
> > Hi
> >
> > One customer reports issue related to pg_upgrade.
> >
> > I found a thread https://www.postgresql-archive.org/
> >
> Upgrade-and-re-synchronization-with-logical-replication-pglogical-and-PG-10-td6001990.html
> >
> > But I didn't find documentation of this limitation?
>
> So, what is the question? Peter Eisentraut is right that WAL is not
> preserved, so replication slots are not preserved. We do have
> pg_upgrade instructions for upgrading binary replication, but I assume
> people recreate the slots.
>
>
> I cannot find related documentation.
You mean related documentation of how to manage changing replication
slots?
--
Bruce Momjian <bruce(at)momjian(dot)us> https://momjian.us
EnterpriseDB https://enterprisedb.com
The usefulness of a cup is in its emptiness, Bruce Lee
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