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System Design Interview Notes

Original interview-focused notes on estimation, reusable distributed-system building blocks, and common design follow-ups.

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Notes

1Lead a system design interview
2Back-of-the-envelope estimation
3Reusable scaling primitives
4Rate limiting
5Consistent hashing and key-value stores
6IDs, URLs, and crawlers
7Notifications, feeds, and chat
8Media and file products
9Close the design with tradeoffs

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