Re: lost replication slots after pg_upgrade - Mailing list pgsql-hackers

From Pavel Stehule
Subject Re: lost replication slots after pg_upgrade
Date
Msg-id CAFj8pRALhOYQrg=3weP6ZU27qRYZ3ML06K4AceNg5nT1NK0F9Q@mail.gmail.com
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In response to Re: lost replication slots after pg_upgrade  (Bruce Momjian <bruce@momjian.us>)
Responses Re: lost replication slots after pg_upgrade
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út 13. 10. 2020 v 18:33 odesílatel Bruce Momjian <bruce@momjian.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.



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