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| Criterion |  DevOps Blameless Postmortem |  Operations Getting Things Done |  Operations 5 Whys |  Operations Weekly Review |
|---|---|---|---|---|
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 many open commitments and ideas in daily life, a reliable external storage system emerges. The method relieves the mind so priority and context don't have to compete in memory. | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. | In a week with many open loops, the method creates distance from operational noise. It organizes commitments, calendar, and projects so the next week becomes workable. |
Complexitydifferent | Medium | Medium | Low | Low |
Timedifferent | 30-90 min | 1-2 h Setup, laufend | 15-30 min | 30-60 min |
Participantsdifferent | 3-12 | 1 | 2-6 | 1 |
Formatdifferent | Workshop + async | Async | Workshop | Async |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Action Lists, Project List, Review Routine | Root cause notes, Countermeasures | Updated Task System, Weekly Focus, Next Actions |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | ProductivityPlanningTasksExecution | Root causeIncidentLeanProblem solving | ProductivityExecutionPlanning |