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What You Will Learn
Intermediate
- The different EC2 instance families
- When to use each type
- How to choose the right size
| Family | Optimized for | Example | Use case |
|---|---|---|---|
| t2/t3 | General purpose | t2.micro (1CPU, 1GB) | Web servers, dev |
| c5 | Compute | c5.large (2CPU, 4GB) | Batch processing |
| r5 | Memory | r5.large (2CPU, 16GB) | Databases |
| m5 | Balanced | m5.large (2CPU, 8GB) | Most apps |
| p3 | GPU | p3.2xlarge (GPU) | ML/AI |
Start small, scale up
Begin with t2.micro (free tier) for testing. Use CloudWatch metrics to see if you need more CPU or RAM, then upgrade.Practical Exercise
Go to EC2 -> Instance Types
Browse different instance families
Note the price difference between t2.micro and m5.large
Search for "EC2 instance types pricing"
Key Takeaways
- t2/t3: general purpose, free tier.
- c5: compute-optimized (batch processing).
- r5: memory-optimized (databases).
- m5: balanced (most apps).
- p3: GPU (ML/AI). Start small, scale up.
Previously: Module 2 covered AWS fundamentals.
Today: You learned: Choose the right EC2 instance type.
Next: Lesson 18 covers Lambda.
Today: You learned: Choose the right EC2 instance type.
Next: Lesson 18 covers Lambda.
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