Replication slot in PostgreSQL

The solution is replication slots, a feature provided by Postgres that ensures the primary server only discards WAL records after they have been received by the

The pg_replication_slots view provides a listing of all replication slots that currently exist on the database cluster, along with their current state For more

replication slot  postgresql_slot module

replication slot is active for pid Persistent Replication Slots: PostgreSQL uses a concept called “replication slots” for logical replication When you create a replication slot