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Cutting Node.js Memory Footprint with HyperLogLog and Count-Min Sketch in TypeScript
A step‑by‑step tutorial showing how to implement HyperLogLog and Count‑Min Sketch in pure TypeScript for Node.js, with a fast MurmurHash3‑x86‑32, memory‑bounded registers, merge support, and a Vitest benchmark suite that runs under `--expose-gc`.
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