> On Feb 7, 2022, at 11:00 AM, Axel Rau <Axel.Rau@xxxxxxxxx> wrote: > > Anybody out there, succeeding with upgrading a logical replication subscriber without resyncing it? I have not tried it, but thought this the idea below would work for upgrading the publisher or subscriber with pg_upgrade. Plan to test it in a few weeks. If anyone knows it will not work, that will save me some time :). Before pg_upgrade on the subscriber: alter subscription my_subscription disable; alter subscription my_subscription set (slot_name = NONE); And then after pg_upgrade: alter subscription my_subscription enable; John DeSoi, Ph.D.