InstanceGroupConfig class

Configuration defining a new instance group.

Constructors

InstanceGroupConfig({required int instanceCount, required InstanceRoleType instanceRole, required String instanceType, AutoScalingPolicy? autoScalingPolicy, String? bidPrice, List<Configuration>? configurations, EbsConfiguration? ebsConfiguration, MarketType? market, String? name})

Properties

autoScalingPolicy → AutoScalingPolicy?

An automatic scaling policy for a core instance group or task instance group in an Amazon EMR cluster. The 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.

final

bidPrice → String?

The bid price for each EC2 Spot Instance type as defined by InstanceType. Expressed in USD. If neither BidPrice nor BidPriceAsPercentageOfOnDemandPrice is provided, BidPriceAsPercentageOfOnDemandPrice defaults to 100%.

final

configurations → List<Configuration>?

final

ebsConfiguration → EbsConfiguration?

EBS configurations that will be attached to each EC2 instance in the instance group.

final

hashCode → int

The hash code for this object.

no setter, inherited

instanceCount → int

Target number of instances for the instance group.

final

instanceRole → InstanceRoleType

The role of the instance group in the cluster.

final

instanceType → String

The EC2 instance type for all instances in the instance group.

final

market → MarketType?

Market type of the EC2 instances used to create a cluster node.

final

name → String?

Friendly name given to the instance group.

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