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| Criterion |  DevOps Incident Command |  Operations After-Action Review |  Product Discovery Assumption Mapping |  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. | 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. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. | 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 | Medium | Medium |
Timedifferent | As needed | 20-45 min | 45-60 min | 30-90 min |
Participantsdifferent | 4-15 | 3-12 | 2-8 | 3-12 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Incident Log, Action Tracker, Stakeholder Updates | Lessons learned, Action items, Event summary | Assumption map, Test backlog, Risk ranking | Postmortem Doc, Action Items, Timeline |
Tagsno overlap | IncidentOperationsReliability | LearningOperationsImprovement | AssumptionsRiskExperimentsValidation | Site Reliability EngineeringIncidentLearningReliability |