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postgres show replication slots - Documentation: 16: 54.19. pg_replication_slots b888 slot
postgres show replication slots: Documentation: 16: 54.19. pg_replication_slots. pg_create_logical_replication_slot - 555 win. PostgreSQL Replication Status Test.
Documentation: 16: 54.19. pg_replication_slots
Back in the days when “Replication Slots” were not yet introduced, managing the WAL segments were a challenge. In standard streaming replication, the primary has no knowledge of the replica status.
pg_create_logical_replication_slot - 555 win
An introduction to logical replication and change data capture ... Logical replication is a method of replication where Postgres uses the WAL files and transmit those changes to another Postgres database, or a system that supports reading WAL files.
PostgreSQL Replication Status Test
This tutorial assumes you have already setup 1) streaming replication between a primary and a replica PostgreSQL database cluster, and 2) are using replication slots.