Database Scaling | Horizontal vs Vertical | System Design Tutorial #12

s your database crashing under heavy traffic? Should you buy a bigger server (Vertical Scaling) or add more servers (Horizontal Scaling)? 🚀

In this System Design Masterclass, we tackle one of the most common backend engineering problems: Scaling the Database. We will visually explore the breaking points of vertical scaling, and dive deep into horizontal strategies like Read Replicas and Database Sharding.

Welcome back to Code Goat! Today, we are using custom interactive animations to show exactly how data flows when your architecture goes from 100 users to 1,000,000 users.

📌 What You Will Learn (Timestamps):
• 0:00 - Introduction: Database Scaling Strategies
• 1:38 - What is Vertical Scaling? (Scaling Up)
• 3:17 - What is Horizontal Scaling? (Scaling Out)
• 4:49 - When to use Vertical vs Horizontal
• 8:47 - Vertical Scaling Strategies: Hardware Upgrades & Indexing
• 10:12 - Horizontal Scaling Strategy
• 11:35 - System Design Interview Quiz & Scenarios

💡 Interview Pro-Tip: Vertical scaling requires ZERO code changes, making it the best first step for startups. Don't jump to Sharding unless absolutely necessary—it introduces massive complexity to your codebase!

👇 Check out the rest of the System Design Playlist:
https://www.youtube.com/playlist?list=PL0BwLgm6AcFZIk4FveSxXBL_YauDKv5Ga

💬 Question of the Day: Have you ever accidentally taken down a production database? Share your war stories in the comments!

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#SystemDesign #DatabaseScaling #BackendEngineering #SoftwareArchitecture #CodeGoat #Sharding #SQL #PostgreSQL #TechInterview #Programming

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