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| Criterion |  DevOps Blameless Postmortem |  DevOps Incident Command |  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. | 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. | 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 | Medium | High | Medium |
Timedifferent | 30-90 min | As needed | Halber Tag | 60-180 min |
Participantsdifferent | 3-12 | 4-15 | 5-20 | 3-10 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Incident Log, Action Tracker, Stakeholder Updates | Simulation Notes, Gaps List, Updated Runbooks | Incident Timeline, Evidence Log, Delay Analysis, Improvement Actions |
Tags1 shared | Site Reliability EngineeringIncidentLearningReliability | IncidentOperationsReliability | ResilienceOperationsIncident | IncidentTimelineSite Reliability Engineering |