2.257.0

enum OnDemandAllocationStrategy

LanguageType name
.NETAmazon.CDK.AWS.StepFunctions.Tasks.EmrCreateCluster.OnDemandAllocationStrategy
Gogithub.com/aws/aws-cdk-go/awscdk/v2/awsstepfunctionstasks#EmrCreateCluster_OnDemandAllocationStrategy
Javasoftware.amazon.awscdk.services.stepfunctions.tasks.EmrCreateCluster.OnDemandAllocationStrategy
Pythonaws_cdk.aws_stepfunctions_tasks.EmrCreateCluster.OnDemandAllocationStrategy
TypeScript (source)aws-cdk-lib » aws_stepfunctions_tasks » EmrCreateCluster » OnDemandAllocationStrategy

On-Demand Allocation Strategies.

Specifies the strategy to use in launching On-Demand instance fleets. Currently, the only option is "lowest-price" (the default), which launches the lowest price first.

See also: https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-emr-instancefleetconfig-ondemandprovisioningspecification.html

Example

new tasks.EmrCreateCluster(this, 'OnDemandSpecification', {
  instances: {
    instanceFleets: [{
      instanceFleetType: tasks.EmrCreateCluster.InstanceRoleType.MASTER,
      launchSpecifications: {
        onDemandSpecification: {
          allocationStrategy: tasks.EmrCreateCluster.OnDemandAllocationStrategy.LOWEST_PRICE,
        },
      },
    }],
  },
  name: 'OnDemandCluster',
  integrationPattern: sfn.IntegrationPattern.RUN_JOB,
});

new tasks.EmrCreateCluster(this, 'SpotSpecification', {
  instances: {
    instanceFleets: [{
      instanceFleetType: tasks.EmrCreateCluster.InstanceRoleType.MASTER,
      launchSpecifications: {
        spotSpecification: {
          allocationStrategy: tasks.EmrCreateCluster.SpotAllocationStrategy.CAPACITY_OPTIMIZED,
          timeoutAction: tasks.EmrCreateCluster.SpotTimeoutAction.TERMINATE_CLUSTER,
          timeout: Duration.minutes(5),
        },
      },
    }],
  },
  name: 'SpotCluster',
  integrationPattern: sfn.IntegrationPattern.RUN_JOB,
});

Members

NameDescription
LOWEST_PRICELowest-price, which launches instances from the lowest priced pool that has available capacity.
PRIORITIZEDPrioritized, which launches instances based on the priority that you assign to each instance type configuration.

LOWEST_PRICE

Lowest-price, which launches instances from the lowest priced pool that has available capacity.

PRIORITIZED

Prioritized, which launches instances based on the priority that you assign to each instance type configuration.

When using this strategy, you must configure the priority for at least one instance type in the fleet.

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