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Building a Flash Sale Engine That Cannot Oversell: Distributed Locking and Optimistic Concurrency in NestJS
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
peacemelodi.hashnode.dev5 min read
#nestjs#typescript#redis#postgresql#backend-development#system-design#distributed-systems#concurrency#docker#nodejs
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