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| Criterion |  DevOps ChatOps |  Agile 4Ls Retrospective |  DevOps Incident Command |  DevOps Blameless Postmortem |
|---|---|---|---|---|
Purposedifferent | For operational work in a distributed team, the method links communication with direct system control. It records decisions right where the signal, the context, and the execution come together. | When a sprint should not only be assessed but also learned from, it captures experience in clear learning categories. It records what worked, what's missing, and what should run differently next time. | During an acute incident with several people involved, the method creates a clear leadership and communication structure. It reduces chaos when fast coordination and clean situational awareness are both needed at once. | 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 | Medium |
Timedifferent | Ongoing | 45–75 min | As needed | 30-90 min |
Participantsdifferent | 2-20 | Team members involved | 4-15 | 3-12 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Chat Transcript, Action Log, Automations | 4Ls Board, Learning Themes, Improvement Actions | Incident Log, Action Tracker, Stakeholder Updates | Postmortem Doc, Action Items, Timeline |
Tagsno overlap | CollaborationEngineeringIncident | RetrospectiveLearningReflectionTeam | IncidentOperationsReliability | Site Reliability EngineeringIncidentLearningReliability |