expertReal System Design Problems

Design Uber's Surge Pricing System — real-time demand sensing and price computation.

The real-time-demand-sensing-and-pricing problem: how supply and demand are measured in real time across many geographic zones, how prices are computed and pushed to users within seconds of a demand shift, and — the hardest part — how the system avoids a feedback loop where a price change itself causes a demand change that triggers yet another price change.

Ready to design this system end to end?

Generate a complete, structured system design answer — requirements, capacity estimation, API design, architecture, database choice, scaling, caching, fault tolerance, security, trade-offs, and more, walked through the way a strong senior engineer would in a real interview.

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