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| Criterion |  DevOps Blameless Postmortem |  Architecture arc42 |  Growth Growth Experiment |  Architecture Architecture Decision Record |
|---|---|---|---|---|
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. | arc42 structures architecture knowledge so teams can document system, decisions, and risks consistently. The template builds a living understanding of the architecture instead of scattered notes. | When growth ideas surface quickly, the temptation to build immediately instead of learning is high. A Growth Experiment frames an assumption so target group, lever, and measurement are clear before the first deployment. | An ADR permanently records an architecture decision with context, trade-offs, and consequence. It creates continuity for later changes because the decision path stays traceable. |
Complexitydifferent | Medium | Low | Medium | Low |
Timedifferent | 30-90 min | 1-2 Tage | 1-2 Wochen | 15-45 min |
Participantsdifferent | 3-12 | 1-4 | 1-6 | 1-3 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Async |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Architecture Document, Context View, Runtime View, Deployment View | Experiment card, Result summary, Next bet | ADR File, Decision Log, Rationale |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | ArchitectureDocumentationCommunication | MarketingGrowthExperimentsLearning | ArchitectureRationaleDocumentationGovernance |