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Quiz

2988 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 areas2988 Architecture Fundamentals91 Distributed Systems111 Data Architecture100 Cloud Architecture97 Networking96 API & Integration Architecture97 Reliability & Resilience99 Observability92 Performance & Capacity Engineering100 Security Architecture105 Cost Architecture & FinOps102 Business Architecture103 Architecture Communication102 Enterprise Architecture100 Legacy Modernization102 AI-Era Architecture106 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

4 questions in Logging.

  1. Logging intermediate

    A discussion platform's log volume grows faster than its traffic and now costs more than the compute generating it. What is driving the growth, and what should change?

    2 min answer loggingcostverbosityretention
  2. Logging intermediate

    A platform team stops shipping logs from inside each application process to the log vendor and instead writes JSON to stdout for a node agent to collect. Crash-time logs now survive and the request path no longer touches the network. What has the team given up, and when does that bill arrive?

    2 min answer loggingkuberneteslog-rotationtruncation
  3. Logging beginner

    A service emits one INFO log line per request and increments one counter per request. At 3,000 requests per second the two describe exactly the same traffic. Why does keeping the log cost orders of magnitude more than keeping the counter, and when is the log still the right thing to emit?

    3 min answer loggingmetricstelemetry costcardinality
  4. Logging intermediate

    Your logging bill has tripled alongside traffic growth. Name four changes in order of effectiveness.

    2 min answer loggingcostsamplingretention