How to use streaming replication with PostgreSQL

Oldest replication slot lag: lagging size of the most lagging replica in terms of WAL data received You can run the following SQL statement

High replica_lag means that the replica can't apply replication changes fast enough The total lag can be observed via replica_byte_lag metric, which has labels

oldest replication slot lag The BDR group replication slot is however inactive most of the time BDR maintains this slot and advances its LSN when all other peers have already consumed the

lohan slot No default levels are set Upper levels are configurable for the replica lag age and oldest replication slot lag size via the rule AWSRDS Replica lag Item