Selected Java Interview Questions
May 19, 2025 · Backend Development
Designing Automatic Order Closure: Comparing DB Polling, Redis Expiration, Redis Zset Delay Queue, and Message Queue Delayed Messages
This article examines four techniques for automatically closing overdue orders—database polling, Redis key‑expiration listeners, Redis sorted‑set delay queues, and message‑queue delayed messages—detailing their implementations, advantages, drawbacks, and practical recommendations for reliable backend systems.
BackendMessage QueueRedis
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