Distributed
← Operational readiness

Lesson 10.3

Actionable alerts, runbooks & on-call

An actionable alert interrupts the responsible on-call engineer for urgent user impact and supplies enough context, runbook guidance, and authority to mitigate it safely.

A full disk produces dozens of secondary alerts

Ava gets many alarms when cookie checkout stops. Ben needs one clear page that says shoppers cannot pay and shows the safe cleanup step.

In this lesson you'll

  1. 1Follow one run and learn how to read the picture
  2. 2Predict what changes before revealing the result
  3. 3Compare the practices and help Ava get checkout restored and verified