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.