Java High-Performance Architecture

May 27, 2022 · Backend Development

How to Implement Precise Order Auto‑Close in E‑Commerce: Timers, MQs, and Redis

This article explores five practical techniques for automatically closing unpaid e‑commerce orders—ranging from simple scheduled tasks to advanced RocketMQ delay queues, RabbitMQ dead‑letter queues, time‑wheel algorithms, and Redis expiration listeners—detailing their mechanisms, trade‑offs, and implementation code.