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| Criterion |  DevOps Incident Command |  DevOps Blameless Postmortem |  Operations Root Cause Tree Analysis |
|---|---|---|---|
Purposedifferent | 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. | For a problem with several suspected causes, the method builds a causal structure instead of a mere list. It makes visible how causes connect and where the strongest points of leverage lie. |
Complexitysame | Medium | Medium | Medium |
Timedifferent | As needed | 30-90 min | 1-3 h |
Participantsdifferent | 4-15 | 3-12 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Incident Log, Action Tracker, Stakeholder Updates | Postmortem Doc, Action Items, Timeline | Cause Tree, Evidence Notes, Countermeasures |
Tags1 shared | IncidentOperationsReliability | Site Reliability EngineeringIncidentLearningReliability | Root causeTreeIncidentQuality |
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