Logical Replication From Postgres 16 Stand-By Servers

How it works When a logical replication slot is created, Postgres creates a snapshot of the current state of the database and records the consistent point

Replication allows a client to receive a continuous stream of updates from a PostgreSQL database, providing a near-realtime view of all changes as they occur

postgresql replication slot A replication slot exists solely on the instance that created it, and PostgreSQL does not replicate it on the standby servers As a result, after a failover or

postgres drop replication slot Each subscription will receive changes via one replication slot Additional replication slots may be required for the initial data