Postgres Logical Replication and Idle Databases

rds045_oldest_replication_slot_lag Oldest Replication Slot Lag Lagging size of the most lagging replica in terms of WAL data received ≥ 0 MB Monitored

A replication slot ensures that the WAL will not go away if the replica lags behind Without a replication slot, a primary will recycle its WAL as soon as it

oldest replication slot lag Oldest xmin Age, oldest_backend_xmin_age, Count, Age in units of the Maximum lag across all asynchronous physical replication slots

dolce vita slot Oldest query start time pg_waiting_backends, gauge, wait_type