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| Criterion |  DevOps Game Day |  Operations ALPEN Method |  Operations Learning Review |  DevOps Blameless Postmortem |
|---|---|---|---|---|
Purposedifferent | 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. | 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. | 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. |
Complexitydifferent | High | Low | Medium | Medium |
Timedifferent | Halber Tag | 10-20 min daily | 1-3 h | 30-90 min |
Participantsdifferent | 5-20 | 1 | 3-10 | 3-12 |
Formatdifferent | Workshop | Async | Workshop | Workshop + async |
Outputdifferent | Simulation Notes, Gaps List, Updated Runbooks | Daily Plan, Time Estimates, Review Notes | Learning Review Notes, System Factors, Improvement Actions | Postmortem Doc, Action Items, Timeline |
Tagsno overlap | ResilienceOperationsIncident | PlanningTime managementProductivityOperations | LearningRetrospectiveIncidentOperations | Site Reliability EngineeringIncidentLearningReliability |