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Routing scope, failover and partitions

This generated surface maps a learner-facing curriculum unit to its canonical source routes.

Curriculum surface​

  • Open learner-facing unit
  • Curriculum path: content/curriculum/architecture/semester-06-databases-distributed/module-03-replication-partitioning/concepts/cluster-06-executable-session-contracts/18-routing-scope.md
  • App: architecture
  • Semester: semester-06-databases-distributed
  • Module: module-03-replication-partitioning
  • Unit kind: concept
  • Curation level: module_curated

Learning objectives​

  • Explain Routing scope, failover and partitions in terms of topology, failure handling, and scaling tradeoffs instead of feature lists.
  • Use Routing scope, failover and partitions to predict what breaks or changes when data is copied, partitioned, or rebalanced across nodes.
  • Use ddia to connect the learner page to lag, routing, quorums, hotspots, and operational reality.

Prerequisites​

  • Comfort with storage-engine basics, indexing, and single-node database tradeoffs from the earlier modules.

Source books​

  • ddia

Source routes​

Ddia​

Supporting curriculum routes​

No supporting curriculum routes linked yet.

External enrichment​

  • Jepsen Analyses (optional_deep_dive) - Useful after the learner has the conceptual model and wants to see how replication and partitioning claims fail in real systems.
  • PostgreSQL Documentation: Logical Replication (official_docs_companion) - Anchors replication terminology and mechanics in a concrete mainstream implementation.

AI companion modes​

  • Explain simply
  • Socratic tutor
  • Challenge my understanding
  • Diagnose my confusion
  • Connect forward / backward

Source-of-truth note​

This teaching unit is learner-facing guidance. Its canonical source backbone is the referenced book ddia, and outside material should only clarify or strengthen that backbone.