ReferenceIncidentsEra 3 · Series AReplication lagA burst of writes left the replicas seconds behind. Reads after a write came back stale.What happens#A burst of writes left the replicas seconds behind. Reads after a write came back stale.How to prevent it#Read-your-writes routing sends those reads to the primary.The postmortem opens the first of these that you do not own yet:Read-your-writes routingEngineering terms#Eventual consistencyRead replicaRead-your-writes consistencyReplication lag