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| Criterion |  Operations Learning Review |  Architecture arc42 |  DevOps Blameless Postmortem |
|---|---|---|---|
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. | arc42 structures architecture knowledge so teams can document system, decisions, and risks consistently. The template builds a living understanding of the architecture instead of scattered notes. | 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 | Medium | Low | Medium |
Timedifferent | 1-3 h | 1-2 Tage | 30-90 min |
Participantsdifferent | 3-10 | 1-4 | 3-12 |
Formatdifferent | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Learning Review Notes, System Factors, Improvement Actions | Architecture Document, Context View, Runtime View, Deployment View | Postmortem Doc, Action Items, Timeline |
Tagsno overlap | LearningRetrospectiveIncidentOperations | ArchitectureDocumentationCommunication | Site Reliability EngineeringIncidentLearningReliability |
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