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| Criterion |  DevOps Blameless Postmortem |  Operations Learning Review |  Facilitation Barcamp |  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. | 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. | When many people can contribute knowledge and the flow should stay open, Barcamp provides a framework for self-organized sessions. The format channels energy without defining the content too narrowly in advance. | 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 | Medium | Medium | Low |
Timedifferent | 30-90 min | 1-3 h | Halber Tag bis 2 Tage | 20-45 min |
Participantsdifferent | 3-12 | 3-10 | 15-200 | 3-12 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop + async |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Learning Review Notes, System Factors, Improvement Actions | Session Board, Session Notes, Community Learnings | Lessons learned, Action items, Event summary |
Tags1 shared | Site Reliability EngineeringIncidentLearningReliability | LearningRetrospectiveIncidentOperations | FacilitationLarge groupLearning | LearningOperationsImprovement |