ApsaraDB RDS:Logical Replication Slot Failover

postgres replication slot   Dan postgres drop replication slot

In the context of PostgreSQL's logical replication, a “slot” is a mechanism used to keep track of the replication stream's progress Logical

Postgres logical replication slots are used to keep track of replication progress Every time a new version of sync A replication slot is created on the primary database server for each standby server The slot keeps track of the last confirmed receive location of WAL data on

slot car buildings Replication slots are used to safeguard against the premature deletion of WAL segments before they have been applied by the standby server, thus Replication slots for High Availability A replication slot exists solely on the instance that created it, and PostgreSQL does not replicate it on the standby