Define actionable thresholds
Alert on user-impacting symptoms or a meaningful risk to recovery, not every isolated error. Use a duration or rate threshold to distinguish a short spike from a persistent problem, while keeping urgent failure signals fast.
Group related symptoms and include context such as service, environment, release, and a link to the relevant dashboard or runbook. Avoid sending the same incident through many independent alerts.
Review alert performance
Track how often alerts are actionable, missed, duplicated, or acknowledged too late. Adjust thresholds after workload or architecture changes and verify that alerts still detect known failure scenarios.
Assign an owner and response expectation to each alert. Retire obsolete alerts only after confirming no runbook, compliance process, or dependent team still relies on them.