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| Criterion |  Operations Learning Review |  Agile NoEstimates |  DevOps Blameless Postmortem |  DevOps Game Day |
|---|---|---|---|---|
Purposedifferent | 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. | When estimating slows a team down more than it helps, it shifts the focus to flow, small slices, and real lead time. It sorts work by value, risk, and delivery ability. The result is captured as Throughput Data, Flow Forecast, and Slicing Rules. | 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. |
Complexitydifferent | Medium | Medium | Medium | High |
Timedifferent | 1-3 h | laufend | 30-90 min | Halber Tag |
Participantsdifferent | 3-10 | 2-12 | 3-12 | 5-20 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Learning Review Notes, System Factors, Improvement Actions | Throughput Data, Flow Forecast, Slicing Rules | Postmortem Doc, Action Items, Timeline | Simulation Notes, Gaps List, Updated Runbooks |
Tagsno overlap | LearningRetrospectiveIncidentOperations | EstimationForecastingFlow | Site Reliability EngineeringIncidentLearningReliability | ResilienceOperationsIncident |