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

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Clarify that HPA controller searches for labels
This commit is contained in:
Kubernetes Prow Robot
2022-02-04 06:46:00 -08:00
committed by GitHub
parent 2d6d22ddec 4bdcf5dd16
commit 71408cd4f9
1 changed files with 3 additions and 2 deletions
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content/en/docs/tasks/run-application/horizontal-pod-autoscale.md
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@@ -57,7 +57,8 @@ Kubernetes implements horizontal pod autoscaling as a control loop that runs int
Once during each period, the controller manager queries the resource utilization against the Once during each period, the controller manager queries the resource utilization against the
metrics specified in each HorizontalPodAutoscaler definition. The controller manager metrics specified in each HorizontalPodAutoscaler definition. The controller manager
obtains the metrics from either the resource metrics API (for per-pod resource metrics), 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). or the custom metrics API (for all other metrics).
* For per-pod resource metrics (like CPU), the controller fetches the metrics * For per-pod resource metrics (like CPU), the controller fetches the metrics