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| Criterion |  DevOps Blameless Postmortem |  DevOps Incident Timeline Analysis |  Decision Making Argument Mapping |  Decision Making Cynefin Workshop |
|---|---|---|---|---|
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. | For an incident with an unclear sequence, the method makes the timeline precisely visible. It separates perception, reaction, and delay so cause and effect become more clearly readable. | When statements, evidence, and counterarguments get mixed up, a debate quickly loses its structure. Argument Mapping breaks a thesis down into its reasoning and makes visible what it really rests on. | When problems are unclear, chaotic, or only seemingly familiar, standard recipes fall short. A Cynefin Workshop sorts situations by the nature of their problem and connects them with matching action logic. |
Complexitysame | Medium | Medium | Medium | Medium |
Timedifferent | 30-90 min | 60-180 min | 1-3 h | 60-180 min |
Participantsdifferent | 3-12 | 3-10 | 1-8 | 4-20 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Incident Timeline, Evidence Log, Delay Analysis, Improvement Actions | Argument Map, Evidence Gaps, Decision Rationale | Cynefin Map, Domain-specific Actions, Sensemaking Notes |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | IncidentTimelineSite Reliability Engineering | SensemakingDecisionRationale | ComplexitySensemakingDecision |