InstanceGroupConfigProperty Struct
Configuration defining a new instance group.
Example
ts
// The code below shows an example of how to instantiate this type.
// The values are placeholders you should change.
import * as cdk from 'aws-cdk-lib';
import { aws_stepfunctions_tasks as stepfunctions_tasks } from 'aws-cdk-lib';
declare const configurationProperty_: stepfunctions_tasks.EmrCreateCluster.ConfigurationProperty;
declare const size: cdk.Size;
const instanceGroupConfigProperty: stepfunctions_tasks.EmrCreateCluster.InstanceGroupConfigProperty = {
instanceCount: 123,
instanceRole: stepfunctions_tasks.EmrCreateCluster.InstanceRoleType.MASTER,
instanceType: 'instanceType',
// the properties below are optional
autoScalingPolicy: {
constraints: {
maxCapacity: 123,
minCapacity: 123,
},
rules: [{
action: {
simpleScalingPolicyConfiguration: {
scalingAdjustment: 123,
// the properties below are optional
adjustmentType: stepfunctions_tasks.EmrCreateCluster.ScalingAdjustmentType.CHANGE_IN_CAPACITY,
coolDown: 123,
},
// the properties below are optional
market: stepfunctions_tasks.EmrCreateCluster.InstanceMarket.ON_DEMAND,
},
name: 'name',
trigger: {
cloudWatchAlarmDefinition: {
comparisonOperator: stepfunctions_tasks.EmrCreateCluster.CloudWatchAlarmComparisonOperator.GREATER_THAN_OR_EQUAL,
metricName: 'metricName',
period: cdk.Duration.minutes(30),
// the properties below are optional
dimensions: [{
key: 'key',
value: 'value',
}],
evaluationPeriods: 123,
namespace: 'namespace',
statistic: stepfunctions_tasks.EmrCreateCluster.CloudWatchAlarmStatistic.SAMPLE_COUNT,
threshold: 123,
unit: stepfunctions_tasks.EmrCreateCluster.CloudWatchAlarmUnit.NONE,
},
},
// the properties below are optional
description: 'description',
}],
},
bidPrice: 'bidPrice',
configurations: [{
classification: 'classification',
configurations: [configurationProperty_],
properties: {
propertiesKey: 'properties',
},
}],
ebsConfiguration: {
ebsBlockDeviceConfigs: [{
volumeSpecification: {
volumeSize: size,
volumeType: stepfunctions_tasks.EmrCreateCluster.EbsBlockDeviceVolumeType.GP3,
// the properties below are optional
iops: 123,
},
// the properties below are optional
volumesPerInstance: 123,
}],
ebsOptimized: false,
},
market: stepfunctions_tasks.EmrCreateCluster.InstanceMarket.ON_DEMAND,
name: 'name',
};
Properties
autoScalingPolicyEmrCreateCluster.AutoScalingPolicyPropertyauto_scaling_policyAutoScalingPolicyPropertyautoScalingPolicyAutoScalingPolicyPropertyAutoScalingPolicyAutoScalingPolicyPropertyAutoScalingPolicyAutoScalingPolicyProperty= None#An automatic scaling policy for a core instance group or task instance group in an Amazon EMR cluster.
The bid price for each EC2 Spot instance type as defined by InstanceType.
Expressed in USD.
configurationsEmrCreateCluster.ConfigurationProperty[]configurationstyping.List[ConfigurationProperty]configurationsList<ConfigurationProperty>ConfigurationsConfigurationProperty[]Configurations*[]ConfigurationProperty= None#The list of configurations supplied for an EMR cluster instance group.
ebsConfigurationEmrCreateCluster.EbsConfigurationPropertyebs_configurationEbsConfigurationPropertyebsConfigurationEbsConfigurationPropertyEbsConfigurationEbsConfigurationPropertyEbsConfigurationEbsConfigurationProperty= None#EBS configurations that will be attached to each EC2 instance in the instance group.
instanceCountnumberinstance_countint | floatinstanceCountNumberInstanceCountdoubleInstanceCount*float64required#Target number of instances for the instance group.
instanceRoleEmrCreateCluster.InstanceRoleTypeinstance_roleInstanceRoleTypeinstanceRoleInstanceRoleTypeInstanceRoleInstanceRoleTypeInstanceRoleInstanceRoleTyperequired#The role of the instance group in the cluster.
The EC2 instance type for all instances in the instance group.
marketEmrCreateCluster.InstanceMarketmarketInstanceMarketmarketInstanceMarketMarketInstanceMarketMarketInstanceMarket= EMR selected default#Market type of the EC2 instances used to create a cluster node.
Friendly name given to the instance group.