Author: Josh Abreu Date: December 2020 Status: Accepted Context and Background The Cortex Alertmanager at its current state supports high-availability by using the same technique as the upstream Prometheus Alertmanager: we gossip silences and notifications between replicas to achieve eventual consistency. This allows us to tolerate machine failure without interruption of service. The caveat here is traffic between the ruler and Alertmanagers must not be load balanced as alerts themselves are ...
