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NoSQL at Scale: Cassandra & Redis

Partitioning, replication, the wide column model and the key value store.

16 lessons about 5 hours Hard
Learn it by writing it.

Every lesson runs real code in your browser, checked the moment you submit. No installing anything, no setup, no waiting.

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What this course covers

  1. The CAP Theorem, Honestly
  2. Consistency Models: Strong, Eventual and Tunable
  3. Partitioning and Sharding
  4. Replication and Quorum
  5. Meet Cassandra: the Wide Column Model
  6. Partition Keys and Clustering Columns
  7. Query First Modelling: Build the Table for the Query
  8. CQL: CREATE TABLE, INSERT and SELECT
  9. Why You Cannot JOIN, and What You Do Instead
  10. Denormalization and Write Amplification
  11. Meet Redis: the Key Value Store
  12. Strings, TTL and Expiry
  13. Lists, Hashes, Sets and Sorted Sets
  14. Caching Patterns: Cache Aside and Write Through
  15. Cache Invalidation and Stampedes
  16. Choosing a Store: a Decision Framework

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