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| Criterion |  DevOps Blameless Postmortem |  DevOps Game Day |  Operations ALPEN Method |  DevOps Incident Command |
|---|---|---|---|---|
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. | With an overloaded day full of too many tasks, a realistic picture of the day emerges. The method connects estimating, deciding, and buffer thinking so planning fits available energy and time. | 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. |
Complexitydifferent | Medium | High | Low | Medium |
Timedifferent | 30-90 min | Halber Tag | 10-20 min daily | As needed |
Participantsdifferent | 3-12 | 5-20 | 1 | 4-15 |
Formatdifferent | Workshop + async | Workshop | Async | Workshop + async |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Simulation Notes, Gaps List, Updated Runbooks | Daily Plan, Time Estimates, Review Notes | Incident Log, Action Tracker, Stakeholder Updates |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | ResilienceOperationsIncident | PlanningTime managementProductivityOperations | IncidentOperationsReliability |