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| Criterion |  Operations Learning Review |  Operations Runbook |  DevOps Blameless Postmortem |  Operations After-Action Review |
|---|---|---|---|---|
Purposedifferent | 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. | For recurring operational tasks or incidents, the method keeps solid action logic ready. It reduces uncertainty when time pressure, role changes, or rare situations demand fast access. | 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. |
Complexitydifferent | Medium | Low | Medium | Low |
Timedifferent | 1-3 h | 20-60 min | 30-90 min | 20-45 min |
Participantsdifferent | 3-10 | 1-4 | 3-12 | 3-12 |
Formatdifferent | Workshop | Async | Workshop + async | Workshop + async |
Outputdifferent | Learning Review Notes, System Factors, Improvement Actions | Runbook, Checklist, Escalation Path | Postmortem Doc, Action Items, Timeline | Lessons learned, Action items, Event summary |
Tagsno overlap | LearningRetrospectiveIncidentOperations | OperationsReliabilityDocumentation | Site Reliability EngineeringIncidentLearningReliability | LearningOperationsImprovement |