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| Criterion |  DevOps Blameless Postmortem |  Agile Start Stop Continue |  DevOps Incident Command |  Operations After-Action Review |
|---|---|---|---|---|
Purposedifferent | 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. | When a team wants to deliberately adjust its working behavior, it makes habits visible and assessable. It focuses on concrete changes instead of diffuse mood. | 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. | After missions or project phases with unclear outcomes, the method makes visible what actually happened and what can be learned from it. It separates course, effect, and causes so experience turns into solid improvement. |
Complexitydifferent | Medium | Low | Medium | Low |
Timedifferent | 30-90 min | 30-60 min | As needed | 20-45 min |
Participantsdifferent | 3-12 | 3-12 | 4-15 | 3-12 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Start Stop Continue Board, Improvement Actions | Incident Log, Action Tracker, Stakeholder Updates | Lessons learned, Action items, Event summary |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | RetrospectiveImprovementTeamReflection | IncidentOperationsReliability | LearningOperationsImprovement |