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| Criterion |  Operations Process Mapping |  DevOps Blameless Postmortem |  Operations Family Tree Analysis |  Operations After-Action Review |
|---|---|---|---|---|
Purposedifferent | 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 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. | For a series of incidents with a similar pattern, the method arranges individual events as branches of a common origin. It makes visible which conditions keep recurring. | 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 | 1-3 h | 30-90 min | 2-4 h | 20-45 min |
Participantsdifferent | 3-10 | 3-12 | 2-6 | 3-12 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Process Map, Handoff List, Improvement Backlog | Postmortem Doc, Action Items, Timeline | Family Tree Diagram, Pattern Notes, Systemic Measures | Lessons learned, Action items, Event summary |
Tagsno overlap | ProcessOperationsImprovement | Site Reliability EngineeringIncidentLearningReliability | Root causePatternsIncidentSystemic | LearningOperationsImprovement |