What are PostgreSQL replication slots and how do they

What are PostgreSQL replication slots and how do they create replication slot Replication slots provide an automated way to ensure that the master does not remove WAL segments until they have been received by all create replication slot Replication slots are created independently from publications Publications to be used as a filter are specified when fetching changes stream

create replication slot A replication slot is a PostgreSQL feature which ensures that a stream of changes stored in a WAL log file is replicated to the destination in the correct order

create replication slot postgres From PostgreSQL , if replication slots are in use, it will also create a slot option set to the name of the previously created replication slot  pg_create_physical_replication_slot() is a system function for creating a physical replication slot pg_create_physical_replication_slot() was added in