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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

5 questions in Managed vs Self-Managed.

  1. Managed vs Self-Managed intermediate

    A platform runs several self-managed stateful systems. What evidence should decide whether to move to managed services?

    2 min answer managed-servicesoperational-costceilingpinterest
  2. Managed vs Self-Managed intermediate

    A team is deciding whether to keep using a managed service or bring it in-house. What trigger should govern the decision, and what asymmetry usually settles it?

    2 min answer supabasemanagedbuild-vs-buytco
  3. Managed vs Self-Managed intermediate

    A team is deciding whether to run a database, broker or search engine itself or to use a managed service. What actually drives the decision, and which arguments are usually wrong?

    2 min answer managed-servicesoperationscostcontrol
  4. Managed vs Self-Managed intermediate

    Under what circumstances would you self-manage a message broker rather than use a managed service, and how would you justify it?

    2 min answer managed-servicestcooperationsjustification
  5. Managed vs Self-Managed advanced

    Your team runs a large self-managed streaming cluster. Two engineers hold most of the operational knowledge. A managed alternative exists. How do you decide?

    2 min answer spotifymanaged-servicesriskdecision