You are running Docker containers on ECS. What is the most important metric to monitor?

1.  The running container count for each service from within CloudWatch.
2.  The instance health of each EC2 instance in your cluster from within CloudWatch.
3.  Monitor the EC2 service dashboard. Watch for posted outages to the ECS service.
4.  The memory consumption of each EC2 instance in your cluster from within CloudWatch.

Correct Answer:

•  The memory consumption of each EC2 instance in your cluster from within CloudWatch.