Section I

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Section II

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Section III

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Section IV

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Section V

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Section VI

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Section VII

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Section VIII

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Section IX

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Section X

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Section XI

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Section XII

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Section XIII

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System Design Recipes

  1. Designing URL Shortening Service
  2. Designing Web Crawler
  3. Designing Autocomplete/TypeAhead for Search
  4. Designing API Rate Limiter
    • Token Bucket Algorithm
    • Leaky Bucket Algorithm
    • Fixed Window Algorithm
    • Sliding Log Algorithm
    • Sliding Window Counter Algorithm
  5. Designing Consistent Hashing
  6. Designing Key-Value Store
  7. Designing Notification System
  8. Designing News Feed System
  9. Designing Chat System
  10. Designing Facebook 
  11. Designing Twitter
  12. Designing Netflix
  13. Designing Instagram
  14. Designing Dropbox
  15. Designing Uber