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| Criterion |  DevOps Incident Timeline Analysis |  DevOps Blameless Postmortem |  Facilitation Dot Estimation |
|---|---|---|---|
Purposedifferent | 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. | 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 size or effort can only be estimated roughly, Dot Estimation condenses the group's experience into a quick range. It turns individual contributions into a visible selection. The result is captured as an Effort Heatmap, Risk Signals, and Discussion Targets. |
Complexitydifferent | Medium | Medium | Low |
Timedifferent | 60-180 min | 30-90 min | 5-20 min |
Participantsdifferent | 3-10 | 3-12 | 3-20 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Incident Timeline, Evidence Log, Delay Analysis, Improvement Actions | Postmortem Doc, Action Items, Timeline | Effort Heatmap, Risk Signals, Discussion Targets |
Tagsno overlap | IncidentTimelineSite Reliability Engineering | Site Reliability EngineeringIncidentLearningReliability | EstimationEffortRisk |
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