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| Criterion |  DevOps Incident Command |  Agile 4Ls Retrospective |  Operations Runbook |  DevOps Blameless Postmortem |
|---|---|---|---|---|
Purposedifferent | During an acute incident with several people involved, the method creates a clear leadership and communication structure. It reduces chaos when fast coordination and clean situational awareness are both needed at once. | When a sprint should not only be assessed but also learned from, it captures experience in clear learning categories. It records what worked, what's missing, and what should run differently next time. | For recurring operational tasks or incidents, the method keeps solid action logic ready. It reduces uncertainty when time pressure, role changes, or rare situations demand fast access. | After an incident with damage or a near miss, the method creates a sober field for learning without assigning blame. It directs attention to the course of events, conditions, and effective countermeasures. |
Complexitydifferent | Medium | Low | Low | Medium |
Timedifferent | As needed | 45–75 min | 20-60 min | 30-90 min |
Participantsdifferent | 4-15 | Team members involved | 1-4 | 3-12 |
Formatdifferent | Workshop + async | Workshop | Async | Workshop + async |
Outputdifferent | Incident Log, Action Tracker, Stakeholder Updates | 4Ls Board, Learning Themes, Improvement Actions | Runbook, Checklist, Escalation Path | Postmortem Doc, Action Items, Timeline |
Tagsno overlap | IncidentOperationsReliability | RetrospectiveLearningReflectionTeam | OperationsReliabilityDocumentation | Site Reliability EngineeringIncidentLearningReliability |