Mastodawn

How to design a flash sale system that handles millions of buyers, prevents overselling, and blocks duplicate orders with Redis, queues, and idempotency keys. https://hackernoon.com/how-to-design-a-flash-sale-system-that-doesnt-oversell #systemdesign

How to Design a Flash Sale System That Doesn’t Oversell | HackerNoon

How to design a flash sale system that handles millions of buyers, prevents overselling, and blocks duplicate orders with Redis, queues, and idempotency keys.