Scaling Concepts in System Design
Master essential system design scaling concepts by learning horizontal vs vertical scaling, load balancers, and CDNs. When your app goes viral, a single server isn't enough. We break down how to transition from a basic single-server setup to a robust, globally distributed backend. You will learn the hidden challenges of scaling out (like session state and local file storage), how load balancer health probes keep your system online, and why combining a Content Delivery Network (CDN) with a Load Balancer is the ultimate cheat code for low latency.
In this video:
1) What is Scaling in System Design
2) Vertical Scaling (Scaling Up)
3) Horizontal Scaling (Scaling Out)
4) Designing Stateless System: Session State & Caching
5) What is Load Balancer
6) Load Balancer - Region
7) Load Balancer - Public or Private
8) Load Balancer - Health Probe
9) What is CDN (Content Delivery Network)
10) Auto Scaling Based on Metrics
11) Auto Scaling Based on Time (Scheduled Scaling for Predictable Traffic)
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Timestamps
00:00 What is Scaling in System Design?
00:38 Vertical Scaling (Scaling Up) Explained
01:11 Horizontal Scaling (Scaling Out) Explained
01:36 Designing Stateless System: Session State & Caching
03:37 How a Load Balancer Works (Regions & Health Probes)
05:54 What is a CDN? (Content Delivery Network)
07:15 Auto Scaling Based on Metrics
09:06 Scheduled Auto Scaling for Predictable Traffic
Note: Subtitles are auto-translated using AI. Accuracy may vary.
#systemdesign #softwareengineering #cloudcomputing