Design Cloud File Storage (Dropbox)

Advanced · 28 min read · High-Level Design, Case Studies: Core

Chunking, deduplication, sync, conflicts and metadata.

This is an Advanced lesson, part of Premium. What it covers:

• 1. Clarify the problem
• 2. Requirements
• 3. Capacity estimation
• 4. Key idea: split files into blocks
• 5. API
• 6. Data model
• 7. High-level design
• 8. Deep dives
• 9. Failure modes
• 10. Trade-offs summary
• 11. What interviewers look for
• Interview questions
• Practice
• Further reading

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