Working with PostgreSQL Replication Slots

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

oldest replication slot lag Check the number of WAL files retained and spilled files for each replication slots Perfdata returns the number of WAL kept for each slot and  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  You can use CloudWatch metrics, Oldest Replication Slot Lag, and Transaction Logs Disk Usage to determine how far behind the most lagging replica is You can

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