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| Criterion |  DevOps Blameless Postmortem |  Operations Process Mapping |  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. | With a confusing workflow that has many handoffs, the method makes the actual process visible. It shows where work is passed on, delayed, or duplicated, so improvement targets the right spots. | 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 | Low |
Timedifferent | 30-90 min | 1-3 h | 20-45 min |
Participantsdifferent | 3-12 | 3-10 | 3-12 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Process Map, Handoff List, Improvement Backlog | Lessons learned, Action items, Event summary |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | ProcessOperationsImprovement | LearningOperationsImprovement |
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