AWS - ECS and Fargate
You want to run a web app that scales automatically based on CPU usage. Which combination should you use in AWS ECS?
You want to run a web app that scales automatically based on CPU usage. Which combination should you use in AWS ECS?
hard📝 Best Practice Q15 of 15
Step-by-Step Solution
Solution:
Step 1: Identify components for scaling
A service manages tasks and can be configured with auto scaling based on CPU.Step 2: Evaluate other options
Running tasks without a service lacks auto scaling. Using EC2 alone misses ECS benefits. Disabling task definitions is invalid.Final Answer:
Create a service with a task definition and enable auto scaling on the service -> Option AQuick Check:
Service + task + auto scaling = C [OK]
Quick Trick: Use service with auto scaling for CPU-based scaling [OK]
Common Mistakes:
- Skipping service and expecting auto scaling
- Confusing EC2 usage without ECS
- Disabling task definitions breaks deployment
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