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2707 questions of the kind that actually get asked — in interviews, in architecture review boards, and by the person who has to run the thing at 3 AM. Every answer states the trade-off rather than the slogan, and says when the obvious choice is the wrong one.

All areas2707 Architecture Fundamentals81 Distributed Systems101 Data Architecture90 Cloud Architecture87 Networking86 API & Integration Architecture78 Reliability & Resilience88 Observability81 Performance & Capacity Engineering90 Security Architecture95 Cost Architecture & FinOps92 Business Architecture93 Architecture Communication91 Enterprise Architecture91 Legacy Modernization92 AI-Era Architecture96 Software Architecture & Engineering84 Architecture Patterns84 Architecture Decision-Making91 The Architect's Meta-Skills92 Delivery & Release Engineering93 Platform Engineering & Developer Experience92 Testing & Quality Architecture90 Data Platform Architecture98 Streaming & Real-Time Data93 Data Governance & Semantics91 Frontend & Experience Architecture91 Edge, Mobile & IoT88 Regulatory & Data Protection Architecture90 Assurance, Audit & Model Risk98
Difficulty Any beginner intermediate advanced

5 questions in Flow Metrics.

  1. Flow Metrics intermediate

    A platform team reports deployment frequency of 12 per day, lead time for changes of 40 minutes, change failure rate of 2% and recovery time of 18 minutes - elite on every band. Incidents have risen 40% over two quarters. Review the measurement.

    3 min answer doraflow-metricsmeasurementgoodhart
  2. Flow Metrics intermediate

    A team's lead time from commit to production is three days. Which component is usually the largest, and how is it found?

    2 min answer linearlead-timeflowreview-latency
  3. Flow Metrics intermediate

    An engineering director tells you that team A has a change failure rate of 2% and team B's is 18%, and asks you to find out what team A is doing right so the practice can be spread. Walk me through how you would answer.

    3 min answer flow-metricschange-failure-rategoodhartmeasurement
  4. Flow Metrics advanced

    Delivery leadership says releases are too slow and wants the engineering team to "move faster". Lead time from commit to production is 21 days. How do you investigate, and what do you expect to find?

    2 min answer flowdeliverylead-timequeues
  5. Flow Metrics intermediate

    Which delivery flow metrics reveal where the constraint actually is, and what do they typically show?

    2 min answer flow-metricslead-timewait-timeconstraints