A Guide to Logical Replication and CDC in PostgreSQL

If there is a switchoverfailover to promote one of the standby, the new primary won't have any idea about the replication slot maintained by

replication slot sub does not exist PostgreSQL Last updated at replication slot logical_sub_slot does not exist この場合にも

replication slot It sounds like you've set primary_slot_name to the same slot in all three replicas Each replica must use a different replication slot in

replication slot postgres Important: A slot that's not conf file on the source instance if you see this error: ERROR: could not connect to the postgresql server in replication mode