intermediateReal System Design Problems
Design Twitter — posting tweets, following, and timeline generation.
Tests whether you know the fanout-on-write versus fanout-on-read tradeoff for celebrity accounts with millions of followers. Asked at: Meta, X, Amazon
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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