Implementing High‑Concurrency SecKill (Flash Sale) in SpringBoot: Locking, Transaction, and Queue Strategies
This article demonstrates how to simulate a high‑concurrency flash‑sale scenario with SpringBoot and MySQL, analyzes why naive lock‑and‑transaction code causes overselling, and presents six refined solutions—including early locking, AOP, pessimistic and optimistic database locks, blocking queues, and Disruptor queues—along with performance observations and a concise summary.