ApsaraDB RDS:Logical Replication Slot Failover

replication slot   Dan replication slot already exists

Represents a physical replication connection to a PostgreSQL server PhysicalReplicationSlot Wraps a replication slot that uses physical replication

replication slots will prevent the server from starting Also, wal_level must be set to replica or higher to allow replication slots to be used Note that 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

golden winner slot demo Physical replication slots are an important new feature of PostgreSQL The idea is that a client can create a replication slot to make sure that the server Potential Causes · The WAL files have expired · The PostgreSQL replication slot used by the Pipeline is not able to complete the IO event