Java Architect Essentials

Jan 18, 2022 · Databases

Why Auto‑Increment Beats UUID in MySQL: Performance Test & Deep Dive

This article investigates MySQL's recommendation to avoid UUIDs as primary keys by benchmarking auto‑increment, UUID, and random snowflake IDs using Spring Boot and JdbcTemplate, analyzing insert speed, InnoDB index behavior, and the trade‑offs of each key strategy.