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| Criterion |  Operations Process Mapping |  DevOps Blameless Postmortem |  DevOps ChatOps |  DevOps Game Day |
|---|---|---|---|---|
Purposedifferent | 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 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. | 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. | 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. |
Complexitydifferent | Medium | Medium | Medium | High |
Timedifferent | 1-3 h | 30-90 min | Ongoing | Halber Tag |
Participantsdifferent | 3-10 | 3-12 | 2-20 | 5-20 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Process Map, Handoff List, Improvement Backlog | Postmortem Doc, Action Items, Timeline | Chat Transcript, Action Log, Automations | Simulation Notes, Gaps List, Updated Runbooks |
Tagsno overlap | ProcessOperationsImprovement | Site Reliability EngineeringIncidentLearningReliability | CollaborationEngineeringIncident | ResilienceOperationsIncident |