Class: Aws::EMR::Types::InstanceFleetConfig

Inherits:
Struct
  • Object
show all
Defined in:
gems/aws-sdk-emr/lib/aws-sdk-emr/types.rb

Overview

The configuration that defines an instance fleet.

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

See Also:

Constant Summary collapse

SENSITIVE = 
[]

Instance Attribute Summary collapse

Instance Attribute Details

#instance_fleet_type ⇒ String

The node type that the instance fleet hosts. Valid values are MASTER, CORE, and TASK.

Returns:

  • (String) 


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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/types.rb', line 2473

class InstanceFleetConfig < Struct.new(
  :name,
  :instance_fleet_type,
  :target_on_demand_capacity,
  :target_spot_capacity,
  :instance_type_configs,
  :launch_specifications,
  :resize_specifications)
  SENSITIVE = []
  include Aws::Structure
end

#instance_type_configs ⇒ Array<Types::InstanceTypeConfig>

The instance type configurations that define the Amazon EC2 instances in the instance fleet.

Returns:



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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/types.rb', line 2473

class InstanceFleetConfig < Struct.new(
  :name,
  :instance_fleet_type,
  :target_on_demand_capacity,
  :target_spot_capacity,
  :instance_type_configs,
  :launch_specifications,
  :resize_specifications)
  SENSITIVE = []
  include Aws::Structure
end

#launch_specifications ⇒ Types::InstanceFleetProvisioningSpecifications

The launch specification for the instance fleet.

Returns:



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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/types.rb', line 2473

class InstanceFleetConfig < Struct.new(
  :name,
  :instance_fleet_type,
  :target_on_demand_capacity,
  :target_spot_capacity,
  :instance_type_configs,
  :launch_specifications,
  :resize_specifications)
  SENSITIVE = []
  include Aws::Structure
end

#name ⇒ String

The friendly name of the instance fleet.

Returns:

  • (String) 


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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/types.rb', line 2473

class InstanceFleetConfig < Struct.new(
  :name,
  :instance_fleet_type,
  :target_on_demand_capacity,
  :target_spot_capacity,
  :instance_type_configs,
  :launch_specifications,
  :resize_specifications)
  SENSITIVE = []
  include Aws::Structure
end

#resize_specifications ⇒ Types::InstanceFleetResizingSpecifications

The resize specification for the instance fleet.

Returns:



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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/types.rb', line 2473

class InstanceFleetConfig < Struct.new(
  :name,
  :instance_fleet_type,
  :target_on_demand_capacity,
  :target_spot_capacity,
  :instance_type_configs,
  :launch_specifications,
  :resize_specifications)
  SENSITIVE = []
  include Aws::Structure
end

#target_on_demand_capacity ⇒ Integer

The target capacity of On-Demand units for the instance fleet, which determines how many On-Demand Instances to provision. When the instance fleet launches, Amazon EMR tries to provision On-Demand Instances as specified by InstanceTypeConfig. Each instance configuration has a specified WeightedCapacity. When an On-Demand Instance is provisioned, the WeightedCapacity units count toward the target capacity. Amazon EMR provisions instances until the target capacity is totally fulfilled, even if this results in an overage. For example, if there are 2 units remaining to fulfill capacity, and Amazon EMR can only provision an instance with a WeightedCapacity of 5 units, the instance is provisioned, and the target capacity is exceeded by 3 units.

If not specified or set to 0, only Spot Instances are provisioned for the instance fleet using TargetSpotCapacity. At least one of TargetSpotCapacity and TargetOnDemandCapacity should be greater than 0. For a master instance fleet, only one of TargetSpotCapacity and TargetOnDemandCapacity can be specified, and its value must be 1.

Returns:

  • (Integer) 


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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/types.rb', line 2473

class InstanceFleetConfig < Struct.new(
  :name,
  :instance_fleet_type,
  :target_on_demand_capacity,
  :target_spot_capacity,
  :instance_type_configs,
  :launch_specifications,
  :resize_specifications)
  SENSITIVE = []
  include Aws::Structure
end

#target_spot_capacity ⇒ Integer

The target capacity of Spot units for the instance fleet, which determines how many Spot Instances to provision. When the instance fleet launches, Amazon EMR tries to provision Spot Instances as specified by InstanceTypeConfig. Each instance configuration has a specified WeightedCapacity. When a Spot Instance is provisioned, the WeightedCapacity units count toward the target capacity. Amazon EMR provisions instances until the target capacity is totally fulfilled, even if this results in an overage. For example, if there are 2 units remaining to fulfill capacity, and Amazon EMR can only provision an instance with a WeightedCapacity of 5 units, the instance is provisioned, and the target capacity is exceeded by 3 units.

If not specified or set to 0, only On-Demand Instances are provisioned for the instance fleet. At least one of TargetSpotCapacity and TargetOnDemandCapacity should be greater than 0. For a master instance fleet, only one of TargetSpotCapacity and TargetOnDemandCapacity can be specified, and its value must be 1.

Returns:

  • (Integer) 


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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/types.rb', line 2473

class InstanceFleetConfig < Struct.new(
  :name,
  :instance_fleet_type,
  :target_on_demand_capacity,
  :target_spot_capacity,
  :instance_type_configs,
  :launch_specifications,
  :resize_specifications)
  SENSITIVE = []
  include Aws::Structure
end