Deleting an instance of the CDC Replication Engine for PostgreSQL

How Do I Remove Streaming Replication wo Failover? : rPostgreSQL postgres delete replication slot Check if there is any replication lag, and when it reaches zero, run DROP SUBSCRIPTION on the subscriber This will drop the replication slot on postgres replication slot The logical solution is to make the primary to keep track of how far behind the standby is, and to not delete WAL files that any standbys still

postgresql replication slot Logical decoding and replication slots being introduced in PostgreSQL Soft delete