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AWS CloudFormation
User Guide (API Version 2010-05-15)

Amazon EMR Cluster InstanceFleetConfig

The InstanceFleetConfig property type specifies a Spot instance fleet configuration for the cluster. For more information, see Configure Instance Fleets in the Amazon EMR Management Guide. InstanceFleetConfig is the property type for the CoreInstanceFleet and MasterInstanceFleet subproperties of the Amazon EMR Cluster JobFlowInstancesConfig property type.

Note

The instance fleet configuration is available only in Amazon EMR versions 4.8.0 and later, excluding 5.0.x versions.

Syntax

Properties

InstanceTypeConfigs

The instance type configurations that define the EC2 instances in the instance fleet. Duplicates not allowed.

Required: No

Type: List of Amazon EMR Cluster InstanceTypeConfig

Update requires: Replacement

LaunchSpecifications

The launch specification for the instance fleet.

Required: No

Type: Amazon EMR Cluster InstanceFleetProvisioningSpecifications

Update requires: Replacement

Name

The friendly name of the instance fleet. For constraints, see InstanceFleetConfig in the Amazon EMR API Reference.

Required: No

Type: String

Update requires: Replacement

TargetOnDemandCapacity

The target capacity of On-Demand units for the instance fleet, which determines how many On-Demand instances to provision. For more information, see InstanceFleetConfig in the Amazon EMR API Reference.

Required: No

Type: Integer

Update requires: No interruption

TargetSpotCapacity

The target capacity of Spot units for the instance fleet, which determines how many Spot instances to provision. For more information, see InstanceFleetConfig in the Amazon EMR API Reference.

Required: No

Type: Integer

Update requires: No interruption

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