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Merge pull request #13367 from ddelange/patch-1 

Update HPA docs
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Kubernetes Prow Robot 2022-03-17 04:43:20 -07:00 committed by GitHub
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docs/horizontal_pod_autoscaling.md
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@ -5,19 +5,20 @@ pods in a replication controller, deployment, or replica set based on observed
CPU utilization (or, with alpha support, on some other, application-provided
metrics).
The current stable version, which only includes support for CPU autoscaling, can
be found in the `autoscaling/v1` API version. The alpha version, which includes
The HorizontalPodAutscaler `autoscaling/v2` stable API moved to GA in 1.23.
The previous stable version, which only includes support for CPU autoscaling, can
be found in the `autoscaling/v1` API version. The beta version, which includes
support for scaling on memory and custom metrics, can be found in
`autoscaling/v2beta1` (and `autoscaling/v2beta2` in 1.12 and later).
`autoscaling/v2beta1` in 1.8 - 1.24 (and `autoscaling/v2beta2` in 1.12 - 1.25).
kOps can assist in setting up HPA. Relevant reading you will need to go through:
kOps sets up HPA out of the box. Relevant reading to go through:
* [Extending the Kubernetes API with the aggregation layer][k8s-extend-api]
* [Configure The Aggregation Layer][k8s-aggregation-layer]
* [Horizontal Pod Autoscaling][k8s-hpa]
While the above links go into details on how Kubernetes needs to be configured
to work with HPA, a lot of that work is already done for you by kOps.
to work with HPA, the work is already done for you by kOps.
Specifically:
* [x] Enable the [Aggregation Layer][k8s-aggregation-layer] via the following
@ -31,7 +32,6 @@ Specifically:
* [x] `--proxy-client-key-file=<path to aggregator proxy key>`
* [x] Enable [Horizontal Pod Scaling][k8s-hpa] ... set the appropriate flags for
`kube-controller-manager`:
* [x] `--horizontal-pod-autoscaler-use-rest-clients` should be true.
* [x] `--kubeconfig <path-to-kubeconfig>`
## Cluster Configuration