Discussion on "Building a Flash Sale Engine That Cannot Oversell: Distributed Locking and Optimistic Concurrency in NestJS"

Peace Melodi · 2026-06-22T12:52:20.201Z

The problem flash sales create Flash sales create one of the most unforgiving concurrency problems in backend engineering. Thousands of people request the same limited stock in the same instant. If tw

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Building a Flash Sale Engine That Cannot Oversell: Distributed Locking and Optimistic Concurrency in NestJS

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