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| Criterion |  DevOps Blameless Postmortem |  Operations ABC Analysis |  DevOps Game Day |  DevOps Incident Timeline Analysis |
|---|---|---|---|---|
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. | With many similar objects of differing economic significance, the method prioritizes effort by effect. It separates what needs regular steering from what rarely needs attention. | In preparing for rare incidents, the method tests response capability under controlled conditions. It shows where assumptions about stability, roles, and recovery are too optimistic. | 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. |
Complexitydifferent | Medium | Low | High | Medium |
Timedifferent | 30-90 min | 30-60 min | Halber Tag | 60-180 min |
Participantsdifferent | 3-12 | 1-5 | 5-20 | 3-10 |
Formatdifferent | Workshop + async | Async | Workshop | Workshop + async |
Outputdifferent | Postmortem Doc, Action Items, Timeline | ABC Classification, Focus Rules, Control List | Simulation Notes, Gaps List, Updated Runbooks | Incident Timeline, Evidence Log, Delay Analysis, Improvement Actions |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | PrioritizationOperationsPortfolio | ResilienceOperationsIncident | IncidentTimelineSite Reliability Engineering |