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| Criterion |  DevOps Blameless Postmortem |  Delivery RAID Log |  Operations A3 Problem Solving |  Operations After-Action 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. | Helps clarify scope, sequence, and delivery flow in concrete terms. It makes work, boundaries, and order steerable. The result is captured as a RAID Log and a source for status reporting. | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. | After missions or project phases with unclear outcomes, the method makes visible what actually happened and what can be learned from it. It separates course, effect, and causes so experience turns into solid improvement. |
Complexitydifferent | Medium | Low | Medium | Low |
Timedifferent | 30-90 min | 30 min Setup, dann laufend | 45-90 min | 20-45 min |
Participantsdifferent | 3-12 | 1-3 maintaining, briefing for everyone | 2-5 | 3-12 |
Formatdifferent | Workshop + async | Async | Workshop + async | Workshop + async |
Outputdifferent | Postmortem Doc, Action Items, Timeline | RAID Log, Status Report Source | A3 Report, Action Plan, Root Cause Analysis | Lessons learned, Action items, Event summary |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | RiskTrackingStakeholdersGovernance | LeanProblem solvingCoachingOperations | LearningOperationsImprovement |