Redis beyond caching 1 question in 2 chapters

  1. 01Choosing structures and guarantees
  2. 02Sources

Choosing structures and guarantees

  • 1.1 What can Redis do besides caching, and what guarantees must you check? Medium 4 min

    Redis is also useful for shared counters and rate limits, sessions, leaderboards, expiring coordination state and messaging. I choose the data structure from the operation: a sorted set for rank, a counter with an atomic expiry policy for limits, and a stream with acknowledgment for recoverable work. The important question is what happens on disconnect, eviction or failover, because fast access alone does not guarantee durable business correctness.

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Sources

Source: Redis INCR Source: Redis sorted sets Source: Redis Pub/Sub Source: Redis Streams Source: Redis persistence