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| Criterion |  DevOps Blameless Postmortem |  DevOps Game Day |  DevOps Incident Command |  Operations Learning Review |
|---|---|---|---|---|
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. | 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. | 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. | After a project phase with mixed results, the method makes learning from the individual case reusable. It connects events, decisions, and systemic conditions into robust insights. |
Complexitydifferent | Medium | High | Medium | Medium |
Timedifferent | 30-90 min | Halber Tag | As needed | 1-3 h |
Participantsdifferent | 3-12 | 5-20 | 4-15 | 3-10 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Simulation Notes, Gaps List, Updated Runbooks | Incident Log, Action Tracker, Stakeholder Updates | Learning Review Notes, System Factors, Improvement Actions |
Tags1 shared | Site Reliability EngineeringIncidentLearningReliability | ResilienceOperationsIncident | IncidentOperationsReliability | LearningRetrospectiveIncidentOperations |