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Requirements & estimationMediumSDE-2

A food delivery app shows live rider location to customers. At dinner peak there are 1 million active orders. Estimate the real-time infrastructure.

Asked at
SwiggyZeptoZomato

Think first

Answer out loud as you would in the room — clarify, give numbers, name the trade-off — then compare with the model answer.

Go deeper

Design food delivery (Swiggy / Zomato) Lesson: Real-time at scale: WebSockets, SSE and presence

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