aws_sdk_emr::types

Struct InstanceFleetConfig

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#[non_exhaustive]
pub struct InstanceFleetConfig {
    pub name: Option<String>,
    pub instance_fleet_type: Option<InstanceFleetType>,
    pub target_on_demand_capacity: Option<i32>,
    pub target_spot_capacity: Option<i32>,
    pub instance_type_configs: Option<Vec<InstanceTypeConfig>>,
    pub launch_specifications: Option<InstanceFleetProvisioningSpecifications>,
    pub resize_specifications: Option<InstanceFleetResizingSpecifications>,
    pub context: Option<String>,
}
Expand description

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.

Fields (Non-exhaustive)§

This struct is marked as non-exhaustive
Non-exhaustive structs could have additional fields added in future. Therefore, non-exhaustive structs cannot be constructed in external crates using the traditional Struct { .. } syntax; cannot be matched against without a wildcard ..; and struct update syntax will not work.
§name: Option<String>

The friendly name of the instance fleet.

§instance_fleet_type: Option<InstanceFleetType>

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

§target_on_demand_capacity: Option<i32>

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.

§target_spot_capacity: Option<i32>

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.

§instance_type_configs: Option<Vec<InstanceTypeConfig>>

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

§launch_specifications: Option<InstanceFleetProvisioningSpecifications>

The launch specification for the instance fleet.

§resize_specifications: Option<InstanceFleetResizingSpecifications>

The resize specification for the instance fleet.

§context: Option<String>

Reserved.

Implementations§

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impl InstanceFleetConfig

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pub fn name(&self) -> Option<&str>

The friendly name of the instance fleet.

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pub fn instance_fleet_type(&self) -> Option<&InstanceFleetType>

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

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pub fn target_on_demand_capacity(&self) -> Option<i32>

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.

Source

pub fn target_spot_capacity(&self) -> Option<i32>

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.

Source

pub fn instance_type_configs(&self) -> &[InstanceTypeConfig]

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

If no value was sent for this field, a default will be set. If you want to determine if no value was sent, use .instance_type_configs.is_none().

Source

pub fn launch_specifications( &self, ) -> Option<&InstanceFleetProvisioningSpecifications>

The launch specification for the instance fleet.

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pub fn resize_specifications( &self, ) -> Option<&InstanceFleetResizingSpecifications>

The resize specification for the instance fleet.

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pub fn context(&self) -> Option<&str>

Reserved.

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impl InstanceFleetConfig

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pub fn builder() -> InstanceFleetConfigBuilder

Creates a new builder-style object to manufacture InstanceFleetConfig.

Trait Implementations§

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impl Clone for InstanceFleetConfig

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fn clone(&self) -> InstanceFleetConfig

Returns a duplicate of the value. Read more
1.0.0 · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for InstanceFleetConfig

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl PartialEq for InstanceFleetConfig

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fn eq(&self, other: &InstanceFleetConfig) -> bool

Tests for self and other values to be equal, and is used by ==.
1.0.0 · Source§

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl StructuralPartialEq for InstanceFleetConfig

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