Pastebin

Design a system like pastebin.com — users paste text, get a short link, content is retrieved by anyone with the link. 10M DAU, expiring pastes, large content blobs.

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• Requirements & Base Architecture

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  • Functional Requirements
  • Estimation
  • Non-Functional Requirements
  • API Design
  • Base Architecture

• Deep Dives

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  • Short Code Generation
  • Database
  • Caching
  • Peak Traffic
  • Fault Isolation
  • Async S3 Upload
  • Expiry & Cleanup

• Final Design & Observability

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  • Updated Architecture
  • SLIs & SLOs
  • Measuring Latency
  • Measuring Availability
  • Alerting
  • Error Budget