Difference between revisions of "Kubernetes taints and tolerations"
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| − | Taints allow a [[node]] to repel a set of pods, in | + | Taints allow a [[node]] to repel a set of pods, in opposite to [[Node Affinity]] |
| − | |||
* https://kubernetes.io/docs/concepts/scheduling-eviction/taint-and-toleration/ | * https://kubernetes.io/docs/concepts/scheduling-eviction/taint-and-toleration/ | ||
| + | A taint consists of a key, value, and effect. As an argument here, it is expressed as <code>[[key=value:effect]]</code>. The effect must be <code>[[NoSchedule]], [[PreferNoSchedule]] or [[NoExecute]].</code> | ||
* <code>[[kubectl taint]]</code> | * <code>[[kubectl taint]]</code> | ||
| + | |||
| + | == Examples == | ||
| + | taints: | ||
| + | - key: [[eks.amazonaws.com/compute-type]] | ||
| + | value: [[fargate]] | ||
| + | [[effect]]: [[NoSchedule]] | ||
| + | |||
| + | |||
| + | |||
| + | [[spec:]] | ||
| + | [[providerID]]: aws:///us-east-1a/i-085c2fcaaerterq | ||
| + | taints: | ||
| + | - key: dedicated | ||
| + | value: [[gpuGroup]] | ||
| + | effect: NoSchedule | ||
| + | |||
| + | https://github.com/terraform-aws-modules/terraform-aws-eks/blob/master/examples/complete/main.tf | ||
| + | taints = { | ||
| + | dedicated = { | ||
| + | key = "dedicated" | ||
| + | value = "gpuGroup" | ||
| + | effect = "[[NO_SCHEDULE]]" | ||
| + | } | ||
| + | } | ||
| + | |||
| + | == Activities == | ||
| + | * Read https://www.mankier.com/1/kubectl-taint | ||
| + | * Read [[Node taints on managed node groups]] | ||
== Related == | == Related == | ||
* <code>[[tolerations:]]</code> | * <code>[[tolerations:]]</code> | ||
* [[Node affinity]] | * [[Node affinity]] | ||
| + | * <code>[[aws_eks_node_group]]</code> | ||
| + | * <code>[[eks_managed_node_groups]]</code> | ||
| + | * <code>[[eks.amazonaws.com/compute-type=fargate:NoSchedule]]</code> | ||
| + | * [[NodeRestriction admission plugin]] | ||
| + | * [[module.eks_managed_node_group]] | ||
| + | * [[Kubernetes labels]] | ||
| + | * [[Kubernetes Node Affinity]] | ||
== See also == | == See also == | ||
* {{kubectl taint}} | * {{kubectl taint}} | ||
| + | * {{taints}} | ||
[[Category:K8s]] | [[Category:K8s]] | ||
Latest revision as of 09:25, 25 January 2024
Taints allow a node to repel a set of pods, in opposite to Node Affinity
A taint consists of a key, value, and effect. As an argument here, it is expressed as key=value:effect. The effect must be NoSchedule, PreferNoSchedule or NoExecute.
Contents
Examples[edit]
taints: - key: eks.amazonaws.com/compute-type value: fargate effect: NoSchedule
spec: providerID: aws:///us-east-1a/i-085c2fcaaerterq taints: - key: dedicated value: gpuGroup effect: NoSchedule
https://github.com/terraform-aws-modules/terraform-aws-eks/blob/master/examples/complete/main.tf
taints = {
dedicated = {
key = "dedicated"
value = "gpuGroup"
effect = "NO_SCHEDULE"
}
}
Activities[edit]
Related[edit]
tolerations:- Node affinity
aws_eks_node_groupeks_managed_node_groupseks.amazonaws.com/compute-type=fargate:NoSchedule- NodeRestriction admission plugin
- module.eks_managed_node_group
- Kubernetes labels
- Kubernetes Node Affinity
See also[edit]
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