Too Many Alerts Kills Alerting: The Case for Cutting Monitoring Noise

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A software team was receiving 47 overnight alerts, yet only 2 required immediate action — causing engineers to start ignoring their phones altogether. The author spent months deleting alerts rather than adding them, reversing the common instinct to create new rules after every missed incident. A key guiding principle emerged: if an alert does not warrant waking someone from sleep, it should be a dashboard metric to review the next day, not a live notification. Shifting dozens of rules from the wake-up category to the inform category led to fewer nightly alerts and, paradoxically, faster response times to genuine incidents. The author also advocates alerting on user-facing symptoms rather than technical causes, arguing that discernment and deliberate silence are the true marks of effective system observability.

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