Checking for replication slots - PostgreSQL Replication

The replication slot basically tells Postgres not to recycle or remove any WAL files that could ultimately prevent it from catching up with

The concept of replication slots was introduced in PostgreSQL and was created to prevent a primary instance to delete WAL that a replica

dropz slot SELECT pg_drop_replication_slot; Replace 'slot_name' with the name of the replication slot you want to remove Clean Up:

drop slot safe Failover of the logical replication slot​ · Configure replication slot in PostgreSQL · Wait for replication slot to be ready, then begin a transaction and export