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| Criterion |  Operations Runbook |  DevOps Blameless Postmortem |  Knowledge Modeling Event Modeling |  Operations After-Action Review |
|---|---|---|---|---|
Purposedifferent | 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. | Event Modeling connects business workflows with commands, events, and views into one coherent mental model. It helps design behavior, UI, and technical slices from the same underlying logic. | 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 | Low | Medium | Medium | Low |
Timedifferent | 20-60 min | 30-90 min | 2-6 h | 20-45 min |
Participantsdifferent | 1-4 | 3-12 | 2-8 | 3-12 |
Formatdifferent | Async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Runbook, Checklist, Escalation Path | Postmortem Doc, Action Items, Timeline | Event Model, UI Flow, Commands, Read Models | Lessons learned, Action items, Event summary |
Tagsno overlap | OperationsReliabilityDocumentation | Site Reliability EngineeringIncidentLearningReliability | EventsBlueprintDomain-Driven DesignBehavior | LearningOperationsImprovement |