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| Criterion |  Operations Kaizen Event |  DevOps Game Day |  DevOps Blameless Postmortem |  Operations Learning Review |
|---|---|---|---|---|
Purposedifferent | For a tightly scoped process segment with noticeable waste, the method bundles shared energy for change. It suits situations that call for fast learning loops and visible adjustments. | 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. | 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. | 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 | 0.5-5 Tage | Halber Tag | 30-90 min | 1-3 h |
Participantsdifferent | 4-10 | 5-20 | 3-12 | 3-10 |
Formatdifferent | Workshop | Workshop | Workshop + async | Workshop |
Outputdifferent | Kaizen Charter, Waste List, Improvement Experiments, Standard Work Update | Simulation Notes, Gaps List, Updated Runbooks | Postmortem Doc, Action Items, Timeline | Learning Review Notes, System Factors, Improvement Actions |
Tagsno overlap | LeanContinuous improvementOperations | ResilienceOperationsIncident | Site Reliability EngineeringIncidentLearningReliability | LearningRetrospectiveIncidentOperations |