PostgreSQL 13: Don't let slots kill your primary

Specifies the maximum number of replication slots that the server can support The default is 10 This parameter can only be set at server

Take Away The morale of the story? Don't leave your replication slots unattended! There shouldn't be any slots which are inactive for too long

postgresql replication slot Replication slots are recreated when a maintenance update is applied or a failover occurs , but they are not recovered after major

postgresql create replication slot Physical slots are created automatically based on replica hosts and used for data replication within the Managed Service for PostgreSQL cluster