Class EmrCreateCluster.ScalingRuleProperty

A scale-in or scale-out rule that defines scaling activity, including the CloudWatch metric alarm that triggers activity, how EC2 instances are added or removed, and the periodicity of adjustments.

Inheritance
System.Object
EmrCreateCluster.ScalingRuleProperty
Namespace: Amazon.CDK.AWS.StepFunctions.Tasks
Assembly: Amazon.CDK.AWS.StepFunctions.Tasks.dll
Syntax (csharp)
public class ScalingRuleProperty : Object, EmrCreateCluster.IScalingRuleProperty
Syntax (vb)
Public Class ScalingRuleProperty
    Inherits Object
    Implements EmrCreateCluster.IScalingRuleProperty
Remarks

See: https://docs.aws.amazon.com/emr/latest/APIReference/API_ScalingRule.html

ExampleMetadata: fixture=_generated

Examples
// The code below shows an example of how to instantiate this type.
// The values are placeholders you should change.
using Amazon.CDK.AWS.StepFunctions.Tasks;
using Amazon.CDK;
var scalingRuleProperty = new ScalingRuleProperty {
    Action = new ScalingActionProperty {
        SimpleScalingPolicyConfiguration = new SimpleScalingPolicyConfigurationProperty {
            ScalingAdjustment = 123,

            // the properties below are optional
            AdjustmentType = EmrCreateCluster.ScalingAdjustmentType.CHANGE_IN_CAPACITY,
            CoolDown = 123
        },

        // the properties below are optional
        Market = EmrCreateCluster.InstanceMarket.ON_DEMAND
    },
    Name = "name",
    Trigger = new ScalingTriggerProperty {
        CloudWatchAlarmDefinition = new CloudWatchAlarmDefinitionProperty {
            ComparisonOperator = EmrCreateCluster.CloudWatchAlarmComparisonOperator.GREATER_THAN_OR_EQUAL,
            MetricName = "metricName",
            Period = Duration.Minutes(30),

            // the properties below are optional
            Dimensions = new [] { new MetricDimensionProperty {
                Key = "key",
                Value = "value"
            } },
            EvaluationPeriods = 123,
            Namespace = "namespace",
            Statistic = EmrCreateCluster.CloudWatchAlarmStatistic.SAMPLE_COUNT,
            Threshold = 123,
            Unit = EmrCreateCluster.CloudWatchAlarmUnit.NONE
        }
    },

    // the properties below are optional
    Description = "description"
};

Synopsis

Constructors

ScalingRuleProperty()

Properties

Action

The conditions that trigger an automatic scaling activity.
Description

A friendly, more verbose description of the automatic scaling rule.
Name

The name used to identify an automatic scaling rule.
Trigger

The CloudWatch alarm definition that determines when automatic scaling activity is triggered.

Constructors

ScalingRuleProperty()

public ScalingRuleProperty()

Properties

Action

The conditions that trigger an automatic scaling activity.

public EmrCreateCluster.IScalingActionProperty Action { get; set; }
Property Value

EmrCreateCluster.IScalingActionProperty

Description

A friendly, more verbose description of the automatic scaling rule.

public string Description { get; set; }
Property Value

System.String

Remarks

Default: - None

Name

The name used to identify an automatic scaling rule.

public string Name { get; set; }
Property Value

System.String

Remarks

Rule names must be unique within a scaling policy.

Trigger

The CloudWatch alarm definition that determines when automatic scaling activity is triggered.

public EmrCreateCluster.IScalingTriggerProperty Trigger { get; set; }
Property Value

EmrCreateCluster.IScalingTriggerProperty

Implements