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Design Instagram
Last Updated: December 24, 2025
Ashish Pratap Singh
High Priority
medium
10 min read
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On this page
1. Requirement Clarification
2. Capacity Estimation
3. High Level Design
4. Database Design
4.1 Relational Database for Structured Data
4.2 NoSQL Databases for High-Volume Data
4.3 Search Indexes
4.4 Media Storage
5. API Design
6. Design Deep Dive
6.1 Photo/Video Upload
6.2 Newsfeed Generation
6.3 Search
6.4 Like, Comments and Shares
7. Addressing Scalability, Availability and Durabi...
7.1 Scalability
7.2 Availability
7.3 Durability
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