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Merge pull request #31554 from guymenahem/fix-hpa-labels-based 

Clarify that HPA controller searches for labels
pull/31623/head
Kubernetes Prow Robot 2022-02-04 06:46:00 -08:00 committed by GitHub
parent 2d6d22ddec 4bdcf5dd16
commit 71408cd4f9
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content/en/docs/tasks/run-application/horizontal-pod-autoscale.md
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@ -56,8 +56,9 @@ Kubernetes implements horizontal pod autoscaling as a control loop that runs int
(and the default interval is 15 seconds).
Once during each period, the controller manager queries the resource utilization against the
metrics specified in each HorizontalPodAutoscaler definition. The controller manager
obtains the metrics from either the resource metrics API (for per-pod resource metrics),
metrics specified in each HorizontalPodAutoscaler definition. The controller manager
finds the target resource defined by the `scaleTargetRef`,
then selects the pods based on the target resource's `.spec.selector` labels, and obtains the metrics from either the resource metrics API (for per-pod resource metrics),
or the custom metrics API (for all other metrics).
* For per-pod resource metrics (like CPU), the controller fetches the metrics