Set up logical replication and decoding

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

Postgres logical replication slots are used to keep track of replication progress Every time a new version of sync

postgresql replication slot Replication Slot Failover feature of ApsaraDB RDS for PostgreSQL If Replication Slot Failover feature of ApsaraDB RDS for PostgreSQL

postgresql drop replication slot A replication slot ensures that the WAL will not go away if the replica lags behind Without a replication slot, a primary will recycle its WAL as soon as it