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AWS Auto Scaling

April 5, 2026

Dynamic Capacity Management

Automatically adjust compute capacity based on demand.

Scaling Types

EC2 Auto Scaling:
Dynamic Scaling:
- Target tracking (CPU 50%)
- Step scaling (multiple steps)
- Simple scaling (threshold breach)
- Predictive scaling (ML forecasts)

Scaling Policies:
Min/Max/Desired capacity
Instance refresh (rolling updates)
Warm pools (pre-initialized)

Integration Points

ELB health checks
CloudWatch alarms
Scheduled scaling (predictable loads)
Lifecycle hooks (custom actions)

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