Difference between revisions of "Kubernetes Pod Topology Spread Constraints"

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* https://kubernetes.io/docs/concepts/workloads/pods/pod-topology-spread-constraints/
 
* https://kubernetes.io/docs/concepts/workloads/pods/pod-topology-spread-constraints/
  
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<pre>
 
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apiVersion: v1
 
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kind: Pod
 
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metadata:
 
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  name: mypod
 
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spec:
 
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  topologySpreadConstraints:
 
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    - maxSkew: <integer>
 
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      topologyKey: <string>
 
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      whenUnsatisfiable: <string>
 
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      labelSelector: <object>
 
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</pre>
 
  
 +
apiVersion: v1
 +
[[kind: Pod]]
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metadata:
 +
  name: mypod
 +
[[spec:]]
 +
  [[topologySpreadConstraints:]]
 +
    - [[maxSkew]]: <integer>
 +
      [[topologyKey]]: <string>
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      [[whenUnsatisfiable]]: [ [[DoNotSchedule]] | [[ScheduleAnyway]] ]
 +
      [[labelSelector:]] <object>
 +
 +
 +
[[kubectl describe nodes]] | grep topology
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[[topology.kubernetes.io/zone]]
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[[topology.kubernetes.io/region]]
 +
 +
== Related ==
 +
* [[Kubernetes Topology Manager]] introduced in (March 2020) [[Kubernetes 1.18]]
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* [[NodeAffinity]]
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* [[NodeSelector]]
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* <code>[[kubectl get nodes -o wide]]</code>
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::<code>.../... NOMINATED NODE    READINESS GATE</code>
 +
* [[Kubernetes troubleshooting]]
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* [[Kubernetes scheduling]]
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* [[Kubernetes pod affinity and anti affinity]]
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[[spec.nodeSelector]]
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[[defaultConstraints:]] [[Kubernetes v1.24]] <ref>https://kubernetes.io/docs/concepts/scheduling-eviction/topology-spread-constraints/#internal-default-constraints</ref>
 +
 +
* [[Karpenter]]
  
 
== See also ==
 
== See also ==
 +
* {{Kubernetes topology manager}}
  
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* {{K8s}}
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[[Category:K8s]]

Latest revision as of 17:43, 16 December 2022


apiVersion: v1
kind: Pod
metadata:
  name: mypod
spec:
  topologySpreadConstraints:
    - maxSkew: <integer>
      topologyKey: <string>
      whenUnsatisfiable: [ DoNotSchedule | ScheduleAnyway ]
      labelSelector: <object>



kubectl describe nodes | grep topology
topology.kubernetes.io/zone
topology.kubernetes.io/region

Related[edit]

.../... NOMINATED NODE READINESS GATE
spec.nodeSelector
defaultConstraints: Kubernetes v1.24 [1]

See also[edit]

  • ↑ https://kubernetes.io/docs/concepts/scheduling-eviction/topology-spread-constraints/#internal-default-constraints
    • Retrieved from "https://www.wikieduonline.com/index.php?title=Kubernetes_Pod_Topology_Spread_Constraints&oldid=209726"

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