Support OldestReplicationSlotLag on PostgreSQL · Issue #48

oldest replication slot lag   Dan oldest replication slot lag

Oldest Replication Slot Lag : The lagging size of the replica lagging the most in terms of write-ahead log data received Applies to

replication slot, nil, (>= 0 oldest transaction that this slot needs the database to retain VACUUM You can use a query like SELECT * FROM pg_stat_replication_slots to check the replication slots, including the replication lag replication slot on the master

slots free slot machines 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 The morale of the story? Don't leave your replication slots unattended! There shouldn't be any slots which are inactive for too long For