#[non_exhaustive]pub struct InstanceFleet {
pub id: Option<String>,
pub name: Option<String>,
pub status: Option<InstanceFleetStatus>,
pub instance_fleet_type: Option<InstanceFleetType>,
pub target_on_demand_capacity: Option<i32>,
pub target_spot_capacity: Option<i32>,
pub provisioned_on_demand_capacity: Option<i32>,
pub provisioned_spot_capacity: Option<i32>,
pub instance_type_specifications: Option<Vec<InstanceTypeSpecification>>,
pub launch_specifications: Option<InstanceFleetProvisioningSpecifications>,
pub resize_specifications: Option<InstanceFleetResizingSpecifications>,
pub context: Option<String>,
}Expand description
Describes an instance fleet, which is a group of Amazon EC2 instances that host a particular node type (master, core, or task) in an Amazon EMR cluster. Instance fleets can consist of a mix of instance types and On-Demand and Spot Instances, which are provisioned to meet a defined target capacity.
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
Struct { .. } syntax; cannot be matched against without a wildcard ..; and struct update syntax will not work.id: Option<String>The unique identifier of the instance fleet.
name: Option<String>A friendly name for the instance fleet.
status: Option<InstanceFleetStatus>The current status of the instance fleet.
instance_fleet_type: Option<InstanceFleetType>The node type that the instance fleet hosts. Valid values are MASTER, CORE, or 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. You can use InstanceFleet$ProvisionedOnDemandCapacity to determine the Spot capacity units that have been provisioned for the instance fleet.
If not specified or set to 0, only Spot Instances are provisioned for the instance fleet using TargetSpotCapacity. At least one of TargetSpotCapacity and TargetOnDemandCapacity should be greater than 0. For a master instance fleet, only one of TargetSpotCapacity and TargetOnDemandCapacity can be specified, and its value must be 1.
target_spot_capacity: Option<i32>The target capacity of Spot units for the instance fleet, which determines how many Spot Instances to provision. When the instance fleet launches, Amazon EMR tries to provision Spot Instances as specified by InstanceTypeConfig. Each instance configuration has a specified WeightedCapacity. When a Spot instance is provisioned, the WeightedCapacity units count toward the target capacity. Amazon EMR provisions instances until the target capacity is totally fulfilled, even if this results in an overage. For example, if there are 2 units remaining to fulfill capacity, and Amazon EMR can only provision an instance with a WeightedCapacity of 5 units, the instance is provisioned, and the target capacity is exceeded by 3 units. You can use InstanceFleet$ProvisionedSpotCapacity to determine the Spot capacity units that have been provisioned for the instance fleet.
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.
provisioned_on_demand_capacity: Option<i32>The number of On-Demand units that have been provisioned for the instance fleet to fulfill TargetOnDemandCapacity. This provisioned capacity might be less than or greater than TargetOnDemandCapacity.
provisioned_spot_capacity: Option<i32>The number of Spot units that have been provisioned for this instance fleet to fulfill TargetSpotCapacity. This provisioned capacity might be less than or greater than TargetSpotCapacity.
instance_type_specifications: Option<Vec<InstanceTypeSpecification>>An array of specifications for the instance types that comprise an instance fleet.
launch_specifications: Option<InstanceFleetProvisioningSpecifications>Describes the launch specification for an instance fleet.
resize_specifications: Option<InstanceFleetResizingSpecifications>The resize specification for the instance fleet.
context: Option<String>Reserved.
Implementations§
Source§impl InstanceFleet
impl InstanceFleet
Sourcepub fn status(&self) -> Option<&InstanceFleetStatus>
pub fn status(&self) -> Option<&InstanceFleetStatus>
The current status of the instance fleet.
Sourcepub fn instance_fleet_type(&self) -> Option<&InstanceFleetType>
pub fn instance_fleet_type(&self) -> Option<&InstanceFleetType>
The node type that the instance fleet hosts. Valid values are MASTER, CORE, or TASK.
Sourcepub fn target_on_demand_capacity(&self) -> Option<i32>
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. You can use InstanceFleet$ProvisionedOnDemandCapacity to determine the Spot capacity units that have been provisioned for the instance fleet.
If not specified or set to 0, only Spot Instances are provisioned for the instance fleet using TargetSpotCapacity. At least one of TargetSpotCapacity and TargetOnDemandCapacity should be greater than 0. For a master instance fleet, only one of TargetSpotCapacity and TargetOnDemandCapacity can be specified, and its value must be 1.
Sourcepub fn target_spot_capacity(&self) -> Option<i32>
pub fn target_spot_capacity(&self) -> Option<i32>
The target capacity of Spot units for the instance fleet, which determines how many Spot Instances to provision. When the instance fleet launches, Amazon EMR tries to provision Spot Instances as specified by InstanceTypeConfig. Each instance configuration has a specified WeightedCapacity. When a Spot instance is provisioned, the WeightedCapacity units count toward the target capacity. Amazon EMR provisions instances until the target capacity is totally fulfilled, even if this results in an overage. For example, if there are 2 units remaining to fulfill capacity, and Amazon EMR can only provision an instance with a WeightedCapacity of 5 units, the instance is provisioned, and the target capacity is exceeded by 3 units. You can use InstanceFleet$ProvisionedSpotCapacity to determine the Spot capacity units that have been provisioned for the instance fleet.
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.
Sourcepub fn provisioned_on_demand_capacity(&self) -> Option<i32>
pub fn provisioned_on_demand_capacity(&self) -> Option<i32>
The number of On-Demand units that have been provisioned for the instance fleet to fulfill TargetOnDemandCapacity. This provisioned capacity might be less than or greater than TargetOnDemandCapacity.
Sourcepub fn provisioned_spot_capacity(&self) -> Option<i32>
pub fn provisioned_spot_capacity(&self) -> Option<i32>
The number of Spot units that have been provisioned for this instance fleet to fulfill TargetSpotCapacity. This provisioned capacity might be less than or greater than TargetSpotCapacity.
Sourcepub fn instance_type_specifications(&self) -> &[InstanceTypeSpecification]
pub fn instance_type_specifications(&self) -> &[InstanceTypeSpecification]
An array of specifications for the instance types that comprise an 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_specifications.is_none().
Sourcepub fn launch_specifications(
&self,
) -> Option<&InstanceFleetProvisioningSpecifications>
pub fn launch_specifications( &self, ) -> Option<&InstanceFleetProvisioningSpecifications>
Describes the launch specification for an instance fleet.
Sourcepub fn resize_specifications(
&self,
) -> Option<&InstanceFleetResizingSpecifications>
pub fn resize_specifications( &self, ) -> Option<&InstanceFleetResizingSpecifications>
The resize specification for the instance fleet.
Source§impl InstanceFleet
impl InstanceFleet
Sourcepub fn builder() -> InstanceFleetBuilder
pub fn builder() -> InstanceFleetBuilder
Creates a new builder-style object to manufacture InstanceFleet.
Trait Implementations§
Source§impl Clone for InstanceFleet
impl Clone for InstanceFleet
Source§fn clone(&self) -> InstanceFleet
fn clone(&self) -> InstanceFleet
1.0.0 · Source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
source. Read moreSource§impl Debug for InstanceFleet
impl Debug for InstanceFleet
Source§impl PartialEq for InstanceFleet
impl PartialEq for InstanceFleet
impl StructuralPartialEq for InstanceFleet
Auto Trait Implementations§
impl Freeze for InstanceFleet
impl RefUnwindSafe for InstanceFleet
impl Send for InstanceFleet
impl Sync for InstanceFleet
impl Unpin for InstanceFleet
impl UnwindSafe for InstanceFleet
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