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Mention topology spread constraints appropriately

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The concept Assigning Pods to Nodes should mention Pod topology spread
constraints. This commit ensures that it does.
This commit is contained in:
Tim Bannister
2022-05-10 11:07:55 +01:00
parent 6700656cb4
commit 3225a082df
1 changed files with 11 additions and 0 deletions
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content/en/docs/concepts/scheduling-eviction/assign-pod-node.md
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@@ -29,6 +29,7 @@ specific Pods:
* [nodeSelector](#nodeselector) field matching against [node labels](#built-in-node-labels) * [nodeSelector](#nodeselector) field matching against [node labels](#built-in-node-labels)
* [Affinity and anti-affinity](#affinity-and-anti-affinity) * [Affinity and anti-affinity](#affinity-and-anti-affinity)
* [nodeName](#nodename) field * [nodeName](#nodename) field
* [Pod topology spread constraints](#pod-topology-spread-constraints)
## Node labels {#built-in-node-labels} ## Node labels {#built-in-node-labels}
@@ -468,6 +469,16 @@ spec:
The above Pod will only run on the node `kube-01`. The above Pod will only run on the node `kube-01`.
## Pod topology spread constraints
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, or among any other
topology domains that you define. You might do this to improve performance, expected availability, or
overall utilization.
Read [Pod topology spread constraints](/docs/concepts/scheduling-eviction/topology-spread-constraints/)
to learn more about how these work.
## {{% heading "whatsnext" %}} ## {{% heading "whatsnext" %}}
* Read more about [taints and tolerations](/docs/concepts/scheduling-eviction/taint-and-toleration/) . * Read more about [taints and tolerations](/docs/concepts/scheduling-eviction/taint-and-toleration/) .