How Instagram Handles Billions of Photos: Database Sharding Explained | System Design Ep 7

🎯 Ready to scale your database beyond a single server's limits? In System Design Episode 7, we explore database sharding - the technique that allows Instagram, Facebook, and Twitter to handle billions of records across multiple servers.
Building on our web tier scaling discussion, this video covers horizontal database scaling strategies and how to solve common sharding challenges.

System Design Playlist - https://www.youtube.com/playlist?list=PL8iJeTs2w53fz2K_gWrdozpLTE5VsEr67

📊 What You'll Learn:
✅ Vertical vs Horizontal Scaling - Why horizontal scaling wins for databases
✅ Database Sharding - Distribute data across multiple servers
✅ Sharding Functions - Hash-based and range-based partitioning
✅ Common Problems - Join operations, shard exhaustion, hotspot keys
✅ Real-World Solutions - Celebrity problem and resharding strategies

Join this channel to get access to perks:
https://www.youtube.com/channel/UCo5-Nod1hkMelw_0P0trXIA/join

⏰ Timestamps:
0:00 Introduction: Database Scaling
0:13 Vertical vs Horizontal Scaling
1:18 Horizontal Scaling & Sharding
2:08 Sharding Functions
3:00 Common Sharding Problems
5:30 Complete Architecture Overview
5:42 Next: Real-World Applications

Видео How Instagram Handles Billions of Photos: Database Sharding Explained | System Design Ep 7 канала Vishal Kumar