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2908 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 areas2908 Architecture Fundamentals91 Distributed Systems101 Data Architecture90 Cloud Architecture87 Networking86 API & Integration Architecture87 Reliability & Resilience99 Observability92 Performance & Capacity Engineering100 Security Architecture95 Cost Architecture & FinOps102 Business Architecture103 Architecture Communication102 Enterprise Architecture100 Legacy Modernization92 AI-Era Architecture96 Software Architecture & Engineering93 Architecture Patterns94 Architecture Decision-Making101 The Architect's Meta-Skills102 Delivery & Release Engineering103 Platform Engineering & Developer Experience102 Testing & Quality Architecture102 Data Platform Architecture98 Streaming & Real-Time Data103 Data Governance & Semantics91 Frontend & Experience Architecture101 Edge, Mobile & IoT98 Regulatory & Data Protection Architecture99 Assurance, Audit & Model Risk98
Difficulty Any beginner intermediate advanced

5 questions in Non-Functional Test Strategy.

  1. Non-Functional Test Strategy beginner

    A requirements document says "the system must be highly available and performant". How do you turn that into something testable?

    2 min answer nfrrequirementstesting
  2. Non-Functional Test Strategy advanced

    A trading platform's functional tests all pass and production fails under load. What should the non-functional test strategy contain?

    2 min answer zerodhaload-testingnfrsoak
  3. Non-Functional Test Strategy advanced

    ByteDance's Monolith paper (RecSys 2022) describes a recommendation system with minute-level parameter synchronisation whose training parameter servers are snapshotted only once a day, so a server failure loses up to a day of updates. The authors say they expected to need more frequent snapshots. What did they do instead of arguing about it, and what does that give a non-functional test strategy?

    3 min answer bytedancemonolithrecovery-objectivenfr
  4. Non-Functional Test Strategy advanced

    On 31 January 2017 a GitLab engineer removed the wrong PostgreSQL data directory, and the recovery mechanisms they believed they had turned out not to work. Roughly six hours of data was lost. Which property had never been tested, and what does that say about non-functional testing generally?

    2 min answer gitlabbackupsrestore-drilldr
  5. Non-Functional Test Strategy advanced

    Which non-functional properties can be tested pre-release, and which can only be verified in production?

    2 min answer non-functionalperformanceresilienceproduction