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| Criterion |  DevOps Game Day |  DevOps Blameless Postmortem |  Operations Failure Mode and Effects Analysis |
|---|---|---|---|
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. | For a process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. |
Complexitydifferent | High | Medium | High |
Timedifferent | Halber Tag | 30-90 min | 2-6 h |
Participantsdifferent | 5-20 | 3-12 | 3-10 |
Formatdifferent | Workshop | Workshop + async | Workshop |
Outputdifferent | Simulation Notes, Gaps List, Updated Runbooks | Postmortem Doc, Action Items, Timeline | FMEA Table, Risk Priority, Mitigation Actions |
Tagsno overlap | ResilienceOperationsIncident | Site Reliability EngineeringIncidentLearningReliability | RiskQualityOperationsRoot cause |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
