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| Criterion |  Agile Starfish Retrospective |  DevOps Incident Command |  DevOps Blameless Postmortem |
|---|---|---|---|
Purposedifferent | When improvement options need to be sorted more finely than just start and stop, it brings observations into clear kinds of action. This makes visible what should be done more, less, newly, or continued. | During an acute incident with several people involved, the method creates a clear leadership and communication structure. It reduces chaos when fast coordination and clean situational awareness are both needed at once. | 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. |
Complexitydifferent | Low | Medium | Medium |
Timedifferent | 45-90 min | As needed | 30-90 min |
Participantsdifferent | 4-12 | 4-15 | 3-12 |
Formatdifferent | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Starfish Board, Practice Changes, Experiments | Incident Log, Action Tracker, Stakeholder Updates | Postmortem Doc, Action Items, Timeline |
Tagsno overlap | RetrospectiveImprovementExperimentsTeam | IncidentOperationsReliability | Site Reliability EngineeringIncidentLearningReliability |
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