That is definitely inaccurate. We have asgs that scale based on cpu load and custom cloudwatch metrics.
With ecs I can imagine a metric that keeps track of the number of tasks and hosts, or ports used or something. I think asg is the perfect tool to use to auto scale ecs clusters.
With ecs I can imagine a metric that keeps track of the number of tasks and hosts, or ports used or something. I think asg is the perfect tool to use to auto scale ecs clusters.