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IO-K8s-1.001
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/ IO::K8s::Api::Autoscaling::V2::HorizontalPodAutoscalerSpec

NAME

IO::K8s::Api::Autoscaling::V2::HorizontalPodAutoscalerSpec - HorizontalPodAutoscalerSpec describes the desired functionality of the HorizontalPodAutoscaler.

VERSION

version 1.001

behavior

behavior configures the scaling behavior of the target in both Up and Down directions (scaleUp and scaleDown fields respectively). If not set, the default HPAScalingRules for scale up and scale down are used.

maxReplicas

maxReplicas is the upper limit for the number of replicas to which the autoscaler can scale up. It cannot be less that minReplicas.

metrics

metrics contains the specifications for which to use to calculate the desired replica count (the maximum replica count across all metrics will be used). The desired replica count is calculated multiplying the ratio between the target value and the current value by the current number of pods. Ergo, metrics used must decrease as the pod count is increased, and vice-versa. See the individual metric source types for more information about how each type of metric must respond. If not set, the default metric will be set to 80% average CPU utilization.

minReplicas

minReplicas is the lower limit for the number of replicas to which the autoscaler can scale down. It defaults to 1 pod. minReplicas is allowed to be 0 if the alpha feature gate HPAScaleToZero is enabled and at least one Object or External metric is configured. Scaling is active as long as at least one metric value is available.

scaleTargetRef

scaleTargetRef points to the target resource to scale, and is used to the pods for which metrics should be collected, as well as to actually change the replica count.

SUPPORT

Issues

Please report bugs and feature requests on GitHub at https://github.com/pplu/io-k8s-p5/issues.

IRC

Join #kubernetes on irc.perl.org or message Getty directly.

CONTRIBUTING

Contributions are welcome! Please fork the repository and submit a pull request.

AUTHORS

  • Torsten Raudssus <torsten@raudssus.de>

  • Jose Luis Martinez <jlmartin@cpan.org> (original author, inactive)

COPYRIGHT AND LICENSE

This software is Copyright (c) 2018 by Jose Luis Martinez.

This is free software, licensed under:

The Apache License, Version 2.0, January 2004