Author: Anand Rajagopal Date: Aug 2024 Status: Proposed --- Problem Rulers in Cortex currently run with a replication factor of 1, wherein each RuleGroup is assigned to exactly 1 ruler. This lack of redundancy creates the following risks: Rule group evaluation Missed evaluations due to a ruler outage, possibly caused by a deployment, noisy neighbour, hardware failure, etc. Missed evaluations due to a ruler brownout due to other tenant rule groups sharing the same ruler (noisy neighbour) API I...
