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| Criterion |  DevOps Blameless Postmortem |  Operations After-Action Review |  Operations Learning 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. | 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. | After a project phase with mixed results, the method makes learning from the individual case reusable. It connects events, decisions, and systemic conditions into robust insights. |
Complexitydifferent | Medium | Low | Medium |
Timedifferent | 30-90 min | 20-45 min | 1-3 h |
Participantsdifferent | 3-12 | 3-12 | 3-10 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Lessons learned, Action items, Event summary | Learning Review Notes, System Factors, Improvement Actions |
Tags1 shared | Site Reliability EngineeringIncidentLearningReliability | LearningOperationsImprovement | LearningRetrospectiveIncidentOperations |
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