Tagged articles

H3

3 articles · Page 1 of 1

Nov 21, 2025 · Backend Development

How Uber Uses H3 Hexagonal Indexing to Power Real‑Time Driver Matching

This article explains how Uber solves the "nearby driver" problem by employing the open‑source H3 hexagonal spatial index, hierarchical grids, Cassandra for persistent storage, and Redis caching to deliver fast, accurate, and scalable real‑time location services.

Backend DevelopmentCassandraGeospatial Indexing

0 likes · 14 min read

How Uber Uses H3 Hexagonal Indexing to Power Real‑Time Driver Matching

Full-Stack Cultivation Path

Jun 23, 2025 · Backend Development

Evan You Recommends the High‑Performance H3 Web Framework

H3 is a lightweight, high‑performance HTTP server framework built on Web standards that supports multiple JavaScript runtimes, offers a concise API, composable middleware and plugin systems, and is recommended by Evan You for rapid prototyping, edge computing, and small web services.

BunDenoH3

0 likes · 7 min read

Evan You Recommends the High‑Performance H3 Web Framework

Caiyun Tech Team

Jan 30, 2023 · Backend Development

How Caiyun Weather Optimized Administrative Division Lookups Using H3 Indexing

The article chronicles Caiyun Weather’s evolution of geographic lookup—from a naïve nearest‑adcode algorithm to a high‑precision H3‑based system—detailing the evaluation of Geohash, S2, and H3, performance benchmarks, memory trade‑offs, and the final R‑Tree‑augmented point‑in‑polygon solution.

Geospatial IndexingH3Performance optimization

0 likes · 10 min read

How Caiyun Weather Optimized Administrative Division Lookups Using H3 Indexing