minCapacity

The minimum value that you plan to scale in to. When a scaling policy is in effect, Application Auto Scaling can scale in (contract) as needed to the minimum capacity limit in response to changing demand. This property is required when registering a new scalable target.

For the following resources, the minimum value allowed is 0.

• AppStream 2.0 fleets

• Aurora DB clusters

• ECS services

• EMR clusters

• Lambda provisioned concurrency

• SageMaker endpoint variants

• SageMaker inference components

• SageMaker serverless endpoint provisioned concurrency

• Spot Fleets

• custom resources

It's strongly recommended that you specify a value greater than 0. A value greater than 0 means that data points are continuously reported to CloudWatch that scaling policies can use to scale on a metric like average CPU utilization.

For all other resources, the minimum allowed value depends on the type of resource that you are using. If you provide a value that is lower than what a resource can accept, an error occurs. In which case, the error message will provide the minimum value that the resource can accept.