intermediate~4h

Redis — Data Structures, Persistence & Pub/Sub

Redis (Remote Dictionary Server) is an in-memory data structure store used as a database, cache, message broker, and streaming engine. Sub-millisecond latency makes it ideal for caching, sessions, lea

Learning objectives

  • Match each core Redis data structure (String, List, Hash, Set, Sorted Set) to the specific problem shape it solves.
  • Explain the durability trade-off between RDB snapshots and AOF logging, in terms of how much data each can lose on a crash.
  • Describe what Pub/Sub delivers and, just as importantly, what it does NOT guarantee compared to a message queue.

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Redis — Data Structures, Persistence & Pub/Sub

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