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| Criterion |  DevOps Game Day |  DevOps Blameless Postmortem |  Operations Fishbone Diagram |
|---|---|---|---|
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 a problem has several possible contributing factors, the method sorts causes by cause areas. It prevents an initial hunch from blocking the view of other plausible drivers. |
Complexitydifferent | High | Medium | Low |
Timedifferent | Halber Tag | 30-90 min | 30-60 min |
Participantsdifferent | 5-20 | 3-12 | 2-8 |
Formatdifferent | Workshop | Workshop + async | Workshop |
Outputdifferent | Simulation Notes, Gaps List, Updated Runbooks | Postmortem Doc, Action Items, Timeline | Fishbone Diagram, Cause Categories, Investigation Backlog |
Tagsno overlap | ResilienceOperationsIncident | Site Reliability EngineeringIncidentLearningReliability | Root causeQualityOperations |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
