Ranked in these QuestionsQuestion Ranking
Pro Separates scheduling logic from state management
One of the core principles on which ECS is built is the separation of scheduling logic from state management. This way, you can choose to use the ECS schedulers, write your own or even integrate third-party schedulers.
Con You have to manually prescale a cluster
Initially you have to create the EC2 instances that you wish to put in your ECS cluster, using the AMI so that they have the ECS agent on them. However, you have to prescale that specific cluster manually after that.