what is replication slot in postgres
Postgres replication slots grow indefinitely - Google Groups
Replication slot can be thought as an object that tracks replication progress. This object is created at primary instance and a replica connects to it.
postgresql - How to disable replication_slot on postgres - Stack ...
postgres=# CREATE SUBSCRIPTION sync CONNECTION 'dbname=postgres host=localhost port=5432' PUBLICATION sync WITH (synchronous_commit = 'on'); NOTICE: created replication slot "sync" on publisher CREATE SUBSCRIPTION.
PostgreSQL: Documentation: 16: 20.6. Replication
The maximum number of replication slots in PostgreSQL is controlled by the ‘max_replication_slots’ configuration parameter.