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2948 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 areas2948 Architecture Fundamentals91 Distributed Systems101 Data Architecture90 Cloud Architecture87 Networking96 API & Integration Architecture87 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

3 questions in Postmortems.

  1. Postmortems intermediate

    A platform publishes detailed public postmortems for significant incidents. What does this practice cost, and what does it buy that internal postmortems do not?

    2 min answer postmortemstransparencylearningtrust
  2. Postmortems intermediate

    An engineer ran a command that deleted production data. What does the postmortem investigate?

    2 min answer postmortemblamelesssystemicgoogle
  3. Postmortems intermediate

    Reddit published a postmortem for its 14 March 2023 outage: a Kubernetes upgrade from 1.23 to 1.24 on its oldest and largest cluster renamed a node label, the CNI's route reflectors selected nodes by the old label and found none, pod networking collapsed, and the site was down for 314 minutes before a restore from backup. Review the *postmortem* as a document. What makes it useful, and what would you push back on in any version of it?

    3 min answer redditpostmortemkubernetesincident review