AutoScalingPolicy class

An automatic scaling policy for a core instance group or task instance group in an Amazon EMR cluster. An automatic scaling policy defines how an instance group dynamically adds and terminates EC2 instances in response to the value of a CloudWatch metric. See PutAutoScalingPolicy.

Constructors

AutoScalingPolicy({required ScalingConstraints constraints, required List<ScalingRule> rules})

Properties

constraints → ScalingConstraints

The upper and lower EC2 instance limits for an automatic scaling policy. Automatic scaling activity will not cause an instance group to grow above or below these limits.

final

hashCode → int

The hash code for this object.

no setter, inherited

rules → List<ScalingRule>

The scale-in and scale-out rules that comprise the automatic scaling policy.

final

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toJson() → Map<String, dynamic>

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited