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Merge pull request #24764 from adtac/pts1 

pod topology spread: add note about GA and feature gates
pull/24771/head^2
Kubernetes Prow Robot 2020-10-28 07:35:56 -07:00 committed by GitHub
parent 05ee40f36f ede08e612b
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content/en/docs/concepts/workloads/pods/pod-topology-spread-constraints.md
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@ -4,11 +4,21 @@ content_type: concept
weight: 40
---
{{< feature-state for_k8s_version="v1.19" state="stable" >}}
<!-- leave this shortcode in place until the note about EvenPodsSpread is
obsolete -->
<!-- overview -->
You can use _topology spread constraints_ to control how {{< glossary_tooltip text="Pods" term_id="Pod" >}} are spread across your cluster among failure-domains such as regions, zones, nodes, and other user-defined topology domains. This can help to achieve high availability as well as efficient resource utilization.
{{< note >}}
In versions of Kubernetes before v1.19, you must enable the `EvenPodsSpread`
[feature gate](/docs/reference/command-line-tools-reference/feature-gates/) on
the [API server](/docs/concepts/overview/components/#kube-apiserver) and the
[scheduler](/docs/reference/generated/kube-scheduler/) in order to use Pod
topology spread constraints.
{{< /note >}}
<!-- body -->