Proportional response scales postincident actions to a failure’s impact and the likelihood of recurrence. Use it to turn production failures into learning without making every incident a major program. section 16.1
From a runbook update to a reliability initiative
A small incident may merit a ten-minute discussion and a paragraph added to the runbook. A severe outage can justify a company-wide reliability initiative, especially when its causes could recur across systems. section 16.1
