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Adds paragraph about the Cluster Proportional Vertical Autoscaler

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Daniel Bodky 2024-02-14 07:38:48 +01:00
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content/en/docs/concepts/workloads/autoscaling.md
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@ -90,13 +90,22 @@ Additionally, the `InPlaceVerticalScaling` feature gate needs to be enabled.
### Autoscaling based on cluster size
For workloads that need to be scaled based on the size of the cluster (for example
`cluster-dns` or other system components), you can use the _Cluster Proportional Autoscaler_.<br />
Just like the VPA, it is not part of the Kubernetes core, but hosted in its
own repository [on GitHub](https://github.com/kubernetes-sigs/cluster-proportional-autoscaler).
`cluster-dns` or other system components), you can use the
[_Cluster Proportional Autoscaler_](https://github.com/kubernetes-sigs/cluster-proportional-autoscaler).<br />
Just like the VPA, it is not part of the Kubernetes core, but hosted as its
own project on GitHub.
The Cluster Proportional Autoscaler watches the number of schedulable {{< glossary_tooltip text="nodes" term_id="node" >}}
and cores and scales the number of replicas of the target workload accordingly.
If the number of replicas should stay the same, you can scale your workloads vertically according to the cluster size using
the [_Cluster Proportional Vertical Autoscaler_](https://github.com/kubernetes-sigs/cluster-proportional-vertical-autoscaler).
The project is **currently in beta** and can be found on GitHub.
While the Cluster Proportional Autoscaler scales the number of replicas of a workload, the Cluster Proportional Vertical Autoscaler
adjusts the resource requests for a workload (for example a Deployment or DaemonSet) based on the number of nodes and/or cores
in the cluster.
### Event driven Autoscaling
It is also possible to scale workloads based on events, for example using the