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Showing content from https://docs.aws.amazon.com/sdkforruby/api/Aws/EMR/Types/ScalingTrigger.html below:

ScalingTrigger — AWS SDK for Ruby V2

You are viewing documentation for version 2 of the AWS SDK for Ruby. Version 3 documentation can be found here.

Inherits:

Struct

• Object
• Struct
• Aws::EMR::Types::ScalingTrigger

show all

Defined in:

(unknown)

When passing ScalingTrigger as input to an Aws::Client method, you can use a vanilla Hash:

{
  cloud_watch_alarm_definition: {     comparison_operator: "GREATER_THAN_OR_EQUAL",     evaluation_periods: 1,
    metric_name: "String",     namespace: "String",
    period: 1,     statistic: "SAMPLE_COUNT",     threshold: 1.0,     unit: "NONE",     dimensions: [
      {
        key: "String",
        value: "String",
      },
    ],
  },
}

The conditions that trigger an automatic scaling activity.

Returned by:

• Aws::EMR::Types::ScalingRule#trigger

• #cloud_watch_alarm_definition ⇒ Types::CloudWatchAlarmDefinition

  The definition of a CloudWatch metric alarm.

The definition of a CloudWatch metric alarm. When the defined alarm conditions are met along with other trigger parameters, scaling activity begins.

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