#redis
3 items tagged with "redis"
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Posts
Bloom Filter: The Structure That Never Lies About Absence
How a bit array and k hash functions let you test set membership with zero false negatives, tunable false positives, and 1.14 MB for a million elements.
Jun 17, 2026algorithmsredisdatabases
HyperLogLog: Count Billions with 12 KB
How a single probabilistic trick lets you estimate 10⁹ unique elements using less memory than a thumbnail image.
Jun 17, 2026algorithmsredissystem-design
RESP: The Wire Protocol Behind Every Redis Command
A byte-level walkthrough of the Redis Serialization Protocol — how commands travel over the wire, why pipelining works, and what RESP3 changes for client-side caching.
May 19, 2026redisprotocolnetworking