Create replication slots to enable the CDC feature

PostgreSQL Replication Slots postgres delete replication slot Currently postgres doesn't allow dropping a replication slot that's active This can make certain operations more time-consuming or stuck in production postgres 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 replication slot You must drop the logical replication slot in the primary server if the corresponding subscriber no longer exists Otherwise, the WAL files