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| Criterion |  DevOps Game Day |  DevOps ChatOps |  Operations After-Action Review |  Operations Learning 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. | For operational work in a distributed team, the method links communication with direct system control. It records decisions right where the signal, the context, and the execution come together. | 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. | 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. |
Complexitydifferent | High | Medium | Low | Medium |
Timedifferent | Halber Tag | Ongoing | 20-45 min | 1-3 h |
Participantsdifferent | 5-20 | 2-20 | 3-12 | 3-10 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Simulation Notes, Gaps List, Updated Runbooks | Chat Transcript, Action Log, Automations | Lessons learned, Action items, Event summary | Learning Review Notes, System Factors, Improvement Actions |
Tagsno overlap | ResilienceOperationsIncident | CollaborationEngineeringIncident | LearningOperationsImprovement | LearningRetrospectiveIncidentOperations |