Error Alerting API Explained: 4 Poll Signals for Unresolved Groups
Short answer: poll a narrow, authenticated summary endpoint on a fixed schedule, but page only when an unresolved error group is both persistent and…
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Four Alerts That Could Never Fire, and How We Found Them
We spent a week auditing our own alerting, and the useful question turned out not to be "is anything alerting?" It was "would this alert look any di…
Prometheus Alerting Rules That Don't Cry Wolf
The fastest way to get a team to ignore Prometheus is to point an alert at up == 0 and ship it. Week one it catches a real outage and everyone's imp…