splitting-key

JD Tech

Feb 19, 2024 · Databases

Choosing and Generating Sharding Keys for Database Partitioning

This article explains how to select appropriate sharding keys based on business requirements and data access patterns, describes vertical and horizontal partitioning methods, and presents common techniques such as equal‑value, index, and gene methods along with key generation strategies like auto‑increment, UUID, Snowflake algorithm, and open‑source middleware.