Replication lag

Replication lag oldest replication slot lag 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 slot machine What is restart_lsn? This is the start LSN of the oldest transaction which is not replicated to the target side yet Postgres won't delete the

oldest slot machine replication slots preserve WAL files, allowing the master to track standby lag xmin: This represents the oldest transaction this slot

solid carbide t slot cutter I have replication slots which are inactive and their xmin date is now a few days old This matches up with oldest replication slot lag metric  I have replication slots which are inactive and their xmin date is now a few days old This matches up with oldest replication slot lag metric