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| Criterion |  DevOps Game Day |  DevOps Blameless Postmortem |  Product Discovery Assumption Mapping |
|---|---|---|---|
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. | 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. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. |
Complexitydifferent | High | Medium | Medium |
Timedifferent | Halber Tag | 30-90 min | 45-60 min |
Participantsdifferent | 5-20 | 3-12 | 2-8 |
Formatdifferent | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Simulation Notes, Gaps List, Updated Runbooks | Postmortem Doc, Action Items, Timeline | Assumption map, Test backlog, Risk ranking |
Tagsno overlap | ResilienceOperationsIncident | Site Reliability EngineeringIncidentLearningReliability | AssumptionsRiskExperimentsValidation |
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