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package Paws::EMR::SimpleScalingPolicyConfiguration; |
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use Moose; |
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has AdjustmentType => (is => 'ro', isa => 'Str'); |
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has CoolDown => (is => 'ro', isa => 'Int'); |
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has ScalingAdjustment => (is => 'ro', isa => 'Int', required => 1); |
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1; |
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### main pod documentation begin ### |
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=head1 NAME |
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Paws::EMR::SimpleScalingPolicyConfiguration |
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=head1 USAGE |
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This class represents one of two things: |
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=head3 Arguments in a call to a service |
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Use the attributes of this class as arguments to methods. You shouldn't make instances of this class. |
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Each attribute should be used as a named argument in the calls that expect this type of object. |
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As an example, if Att1 is expected to be a Paws::EMR::SimpleScalingPolicyConfiguration object: |
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$service_obj->Method(Att1 => { AdjustmentType => $value, ..., ScalingAdjustment => $value }); |
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=head3 Results returned from an API call |
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Use accessors for each attribute. If Att1 is expected to be an Paws::EMR::SimpleScalingPolicyConfiguration object: |
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$result = $service_obj->Method(...); |
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$result->Att1->AdjustmentType |
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=head1 DESCRIPTION |
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An automatic scaling configuration, which describes how the policy adds |
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or removes instances, the cooldown period, and the number of EC2 |
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instances that will be added each time the CloudWatch metric alarm |
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condition is satisfied. |
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=head1 ATTRIBUTES |
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=head2 AdjustmentType => Str |
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The way in which EC2 instances are added (if C<ScalingAdjustment> is a |
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positive number) or terminated (if C<ScalingAdjustment> is a negative |
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number) each time the scaling activity is triggered. |
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C<CHANGE_IN_CAPACITY> is the default. C<CHANGE_IN_CAPACITY> indicates |
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that the EC2 instance count increments or decrements by |
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C<ScalingAdjustment>, which should be expressed as an integer. |
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C<PERCENT_CHANGE_IN_CAPACITY> indicates the instance count increments |
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or decrements by the percentage specified by C<ScalingAdjustment>, |
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which should be expressed as a decimal. For example, 0.20 indicates an |
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increase in 20% increments of cluster capacity. C<EXACT_CAPACITY> |
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indicates the scaling activity results in an instance group with the |
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number of EC2 instances specified by C<ScalingAdjustment>, which should |
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be expressed as a positive integer. |
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=head2 CoolDown => Int |
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The amount of time, in seconds, after a scaling activity completes |
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before any further trigger-related scaling activities can start. The |
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default value is 0. |
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=head2 B<REQUIRED> ScalingAdjustment => Int |
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The amount by which to scale in or scale out, based on the specified |
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C<AdjustmentType>. A positive value adds to the instance group's EC2 |
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instance count while a negative number removes instances. If |
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C<AdjustmentType> is set to C<EXACT_CAPACITY>, the number should only |
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be a positive integer. If C<AdjustmentType> is set to |
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C<PERCENT_CHANGE_IN_CAPACITY>, the value should express the percentage |
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as a decimal. For example, -0.20 indicates a decrease in 20% increments |
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of cluster capacity. |
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=head1 SEE ALSO |
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This class forms part of L<Paws>, describing an object used in L<Paws::EMR> |
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=head1 BUGS and CONTRIBUTIONS |
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The source code is located here: https://github.com/pplu/aws-sdk-perl |
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Please report bugs to: https://github.com/pplu/aws-sdk-perl/issues |
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=cut |
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