AWS Auto Scaling
Scaling plans across services
The AWS Auto Scaling interface for creating a shared scaling plan across an application's resources (EC2 Auto Scaling groups, ECS, DynamoDB, Aurora…), with predictive scaling.
- Cost$ Low
- Difficulty●●●●●
- Costs money when idle?No
- Serverless
- In examsCLF · SAA · SOA
Think of it asLike a shared staffing board for every department in a store.
When to use it
✓ Use it when
You want to manage scaling for multiple resource types in one plan.
✗ Avoid it when
Scaling only EC2 → EC2 Auto Scaling; scaling each service separately → Application Auto Scaling.
Common uses
- Scaling plan for a multi-tier web app
- Predictive scaling based on daily load patterns
What does it cost?
- Pricing model: Free; you pay only for the scaled resources and CloudWatch.
