System Design · JPMorgan · Hard
Requirements Functional capabilities: Allow customers to join the purchasing process for a heavily sought-after item during a flash-sale event. Maintain correct accounting for the small available stock. Finalize an order or hold inventory for customers who succeed. Present understandable error outcomes if stock has been exhausted or a charge cannot be completed. Scale and limitations: Around a release window, the platform may receive traffic from millions of customers.…
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