(EmrCreateCluster.OnDemandAllocationStrategy): Add support for PRIORITIZED allocation strategy and Priority property in EmrCreateCluster #35710
Description
Describe the feature
Problem:
• Missing PRIORITIZED enum value in OnDemandAllocationStrategy when creating tasks.EmrCreateCluster Only LOWEST_PRICE is available currently as per source code:
export enum OnDemandAllocationStrategy {
/**
* Lowest-price, which launches instances from the lowest priced pool that has available capacity.
*/
LOWEST_PRICE = 'lowest-price',
}
Expected Solution:
• Add PRIORITIZED to the enum, and solution would look like:
const emrTask = new tasks.EmrCreateCluster(this, 'OnDemandSpecification', {
instances: {
instanceFleets: [{
instanceFleetType: tasks.EmrCreateCluster.InstanceRoleType.MASTER,
targetOnDemandCapacity: 1,
instanceTypeConfigs: [{
instanceType: 'm5.xlarge',
priority: 1
}],
launchSpecifications: {
onDemandSpecification: {
allocationStrategy: 'prioritized'
},
},
Note: The above currently fails as prioritized is not supported as well as defining priority in instanceTypeConfigs.
Impact:
• Forces developers to use complex workarounds
• Prevents using a standard AWS EMR feature
• Creates maintenance burden with escape hatches
Use Case
• Forces developers to use complex workarounds
• Prevents using a standard AWS EMR feature
• Creates maintenance burden with escape hatches
Proposed Solution
No response
Other Information
No response
Acknowledgements
- I may be able to implement this feature request
- This feature might incur a breaking change
AWS CDK Library version (aws-cdk-lib)
2.208.0
AWS CDK CLI version
2.1025.0
Environment details (OS name and version, etc.)
MacOS, any.