Alerting & Notification Systems

Summary

Alerts should be actionable, not noisy — every alert that fires should require a real human response, connected to a notification channel (email, Slack, PagerDuty) the right people actually see.

• 1Set up an alert on a key metric with a notification to a real channel.
• 2Learn the concept of alert fatigue and why over-alerting is more dangerous than under-alerting.
• 3Practice writing an alert with clear context about what to do when it fires.