What is Replication slots in PostgreSQL Streaming

Remove Replication Slots : If you were using physical replication slots, you should remove them on the primary server to avoid the accumulation of WAL

Description DROP SUBSCRIPTION removes a subscription from the database cluster To execute this command the user must be the owner of the subscription

drop replication slot There are two options to fix this issue, either we can remove the used replication slots or increase the max_replication_slots parameter value

drop slot safe Used replication slots continue to occupy space If you run multiple AWS DMS tasks or you have old tasks that run on the same DB instance, then remove the used