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Oct 16, 2018 · Databases

How MongoDB Boosted LBS Query Performance by Over 10×

This article explains the performance bottlenecks of MongoDB's geoNear queries in high‑traffic LBS services, analyzes why dense point clusters cause massive scans, and details the introduction of hintScan and hintCorrectNum parameters that reduced scan size and increased QPS by more than tenfold, even outperforming Redis 3.2.