hard20 pts · first answer countsprometheusalertmanagerhigh-availability

Double pages from HA Prometheus

You run two identical Prometheus replicas for high availability, each with an external label replica="a" or "b". Every alert now pages twice. What is the correct fix?

A.Turn off alerting rules on one replicaB.Run two Alertmanagers that do not talk to each other, one per replicaC.Increase group_wait to 10 minutesD.Send both to the same clustered Alertmanager and drop the replica label from alerts with alert relabeling so they deduplicate

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Double pages from HA Prometheus

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