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Class: Aws::EMR::Types::ScalingTrigger

Inherits:
Struct
  • Object
show all
Defined in:
(unknown)

Overview

Note:

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

{
  cloud_watch_alarm_definition: { # required
    comparison_operator: "GREATER_THAN_OR_EQUAL", # required, accepts GREATER_THAN_OR_EQUAL, GREATER_THAN, LESS_THAN, LESS_THAN_OR_EQUAL
    evaluation_periods: 1,
    metric_name: "String", # required
    namespace: "String",
    period: 1, # required
    statistic: "SAMPLE_COUNT", # accepts SAMPLE_COUNT, AVERAGE, SUM, MINIMUM, MAXIMUM
    threshold: 1.0, # required
    unit: "NONE", # accepts NONE, SECONDS, MICRO_SECONDS, MILLI_SECONDS, BYTES, KILO_BYTES, MEGA_BYTES, GIGA_BYTES, TERA_BYTES, BITS, KILO_BITS, MEGA_BITS, GIGA_BITS, TERA_BITS, PERCENT, COUNT, BYTES_PER_SECOND, KILO_BYTES_PER_SECOND, MEGA_BYTES_PER_SECOND, GIGA_BYTES_PER_SECOND, TERA_BYTES_PER_SECOND, BITS_PER_SECOND, KILO_BITS_PER_SECOND, MEGA_BITS_PER_SECOND, GIGA_BITS_PER_SECOND, TERA_BITS_PER_SECOND, COUNT_PER_SECOND
    dimensions: [
      {
        key: "String",
        value: "String",
      },
    ],
  },
}

The conditions that trigger an automatic scaling activity.

Returned by:

See Also:

Instance Attribute Summary collapse

Instance Attribute Details

#cloud_watch_alarm_definition ⇒ Types::CloudWatchAlarmDefinition

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

Returns: