How CloudNativePG manages physical replication slots for

Troubleshooting PostgreSQL Streaming Replication Synchronization postgres drop replication slot Disconnecting Subscribers If communication is functioning, unhook a subscriber is run DROP SUBSCRIPTION , and the corresponding replication slot will be postgres drop replication slot By themselves, replication slots occupy very little disk space They just store tiny bit of metadata, including a pointer to a position in WAL

postgresql drop replication slot When dropping a subscription, the replication slot should be kept This In that case, disassociate the slot from the subscription using ALTER SUBSCRIPTION