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Designing an E-Commerce Flash-Sale System: A Complete Guide to Optimistic Locking, Pessimistic Locking, Redis Atomicity, and Queues

Mark Ku

·Dec 26, 2025·80

Designing an E-Commerce Flash-Sale System: A Complete Guide to Optimistic Locking, Pessimistic Locking, Redis Atomicity, and Queues

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Designing an E-Commerce Flash-Sale System: A Complete Guide to Optimistic Locking, Pessimistic Locking, Redis Atomicity, and Queues

Designing an E-Commerce Flash-Sale System: A Complete Guide to Optimistic Locking, Pessimistic Locking, Redis Atomicity, and Queues

Mark Ku

December 26, 2025·23 min read·80