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| Criterion |  DevOps Game Day |  Operations Gemba Walk |  Operations After-Action Review |
|---|---|---|---|
Purposedifferent | In preparing for rare incidents, the method tests response capability under controlled conditions. It shows where assumptions about stability, roles, and recovery are too optimistic. | When there is uncertainty about the real course of a process, the method brings observation to the place where work happens. It combines perception, follow-up questions, and process knowledge so decisions rest on actual workflows instead of assumptions. | 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 | High | Low | Low |
Timedifferent | Halber Tag | 30-120 min | 20-45 min |
Participantsdifferent | 5-20 | 2-6 | 3-12 |
Formatdifferent | Workshop | Workshop | Workshop + async |
Outputdifferent | Simulation Notes, Gaps List, Updated Runbooks | Observation Notes, Improvement Ideas | Lessons learned, Action items, Event summary |
Tags1 shared | ResilienceOperationsIncident | LeanObservationProcessOperations | LearningOperationsImprovement |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
