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Update _index.md #47942

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19 changes: 19 additions & 0 deletions content/en/docs/reference/labels-annotations-taints/_index.md
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Expand Up @@ -289,6 +289,25 @@ in the StatefulSet topic for more details.
Note the [PodIndexLabel](/docs/reference/command-line-tools-reference/feature-gates/)
feature gate must be enabled for this label to be added to pods.

### autoscaling.alpha.kubernetes.io/behavior (deprecated)
Type : Annotation

Example: `autoscaling.alpha.kubernetes.io/behavior: <JSON-encoded string>`

Used on: Horizontal Pod Autoscaler (HPA)

This annotation was used to define the scaling behavior for the Horizontal Pod Autoscaler in early versions of Kubernetes.
The value is a JSON-encoded string that specifies how scaling up or down should occur,
including parameters like stabilization windows and scaling policies (e.g., step sizes or rate limits for scaling actions).

If this annotation is set, it controls the scaling decisions of the HPA. However,
it is an alpha feature and is not officially registered, having been replaced by the stable behavior field in the HPA v2beta2 API.

{{< note >}}
This annotation is now deprecated and should not be used in new configurations.
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Please be aware that we don't document things that are older than 4 releases.
Even if the annotation does fall into this range, we need to clearly state the
releases that support this annotation. Or else, adding this annotation only helps
confusing the users.

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ok

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then i just need to add the title autoscaling.alpha.kubernetes.io/behavior and marking it deprecated

{{< /note >}}


### cluster-autoscaler.kubernetes.io/safe-to-evict

Type: Annotation
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