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| Criterion |  DevOps Game Day |  DevOps ChatOps |  DevOps Blameless Postmortem |
|---|---|---|---|
Purposedifferent | In preparing for rare incidents, the method tests response capability under controlled conditions. It shows where assumptions about stability, roles, and recovery are too optimistic. | 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. | 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 | High | Medium | Medium |
Timedifferent | Halber Tag | Ongoing | 30-90 min |
Participantsdifferent | 5-20 | 2-20 | 3-12 |
Formatdifferent | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Simulation Notes, Gaps List, Updated Runbooks | Chat Transcript, Action Log, Automations | Postmortem Doc, Action Items, Timeline |
Tags1 shared | ResilienceOperationsIncident | CollaborationEngineeringIncident | Site Reliability EngineeringIncidentLearningReliability |
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