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SaaS Architecture & Startup Engineering · Lesson

Horizontal Scaling Techniques

Discover methods for distributing load across multiple servers, including load balancing, auto-scaling, and stateless service design.

Scaling Up Your SaaS

Imagine your SaaS app suddenly gets thousands of new users! How do you handle the extra demand without your service slowing down or crashing?

This is where horizontal scaling comes in. It's about adding more machines to share the workload, rather than making a single machine more powerful.

Vertical vs. Horizontal Scaling

There are two main ways to scale your application:

  • Vertical Scaling (Scaling Up): Increase the resources of a single server (e.g., adding more CPU, RAM). This has limits and can be expensive.
  • Horizontal Scaling (Scaling Out): Add more servers to your existing pool, distributing the load across them. This is often more flexible and cost-effective for SaaS growth.

All lessons in this course

  1. Horizontal Scaling Techniques
  2. Message Queues & Event-Driven
  3. Serverless Architecture Basics
  4. Load Balancing and Service Discovery
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