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| Criterion |  DevOps Blameless Postmortem |  Operations Fishbone Diagram |
|---|---|---|
Purposedifferent | 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 | Medium | Low |
Timedifferent | 30-90 min | 30-60 min |
Participantsdifferent | 3-12 | 2-8 |
Formatdifferent | Workshop + async | Workshop |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Fishbone Diagram, Cause Categories, Investigation Backlog |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | Root causeQualityOperations |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
