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| Criterion |  DevOps Blameless Postmortem |  Operations Process Mapping |  Operations Learning Review |  Agile Sprint Retrospective |
|---|---|---|---|---|
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. | With a confusing workflow that has many handoffs, the method makes the actual process visible. It shows where work is passed on, delayed, or duplicated, so improvement targets the right spots. | 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 a sprint is over and friction shouldn't simply be carried forward, it opens the view onto collaboration and patterns. It creates space to see causes and changes together. |
Complexitydifferent | Medium | Medium | Medium | Low |
Timedifferent | 30-90 min | 1-3 h | 1-3 h | Up to 3 hours for a one-month Sprint; shorter Sprints are usually shorter |
Participantsdifferent | 3-12 | 3-10 | 3-10 | Scrum Team |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Process Map, Handoff List, Improvement Backlog | Learning Review Notes, System Factors, Improvement Actions | Improvement actions, Team agreements |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | ProcessOperationsImprovement | LearningRetrospectiveIncidentOperations | RetrospectiveImprovementLearning |