For more information see the application auto scaling user guide.
Aws ec2 container service autoscaling.
Ecs will ensure the asg scales in and out as needed with no further intervention required.
Ec2 autoscaling provides on demand instance scaling and spot fleet instance autoscaling through which we can automatically increase or decrease the current capacity of the spot fleet based on the demand.
Automatic scaling is the ability to increase or decrease the desired count of tasks in your amazon ecs service automatically.
Amazon ecs cluster auto scaling enables you to have more control over how you scale the amazon ec2 instances within a cluster.
When creating an auto scaling group capacity provider with managed scaling enabled amazon ecs manages the scale in and scale out actions of the auto scaling group used when creating the capacity provider.
You ve always had the option to scale clusters automatically with amazon ec2 container service amazon ecs.
With cas you can configure ecs to scale your asg automatically and just focus on running your tasks.
Amazon ec2 container service with autoscaling capabilities use amazon ecs containers to setup docker based elastic build executors.
Ecs cluster auto scaling cas is a new capability for ecs to manage the scaling of ec2 auto scaling groups asg.
Now with the new service auto scaling feature and amazon cloudwatch alarms you can use scaling policies to scale ecs services.