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Merge pull request #31267 from mengjiao-liu/fix-PreemptionPolicy

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Fix wrong capitalization for preemptionPolicy field
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Kubernetes Prow Robot
2022-01-11 11:13:15 -08:00
committed by GitHub
parent aae389ad73 a35da2ba7f
commit 98d8836c23
1 changed files with 4 additions and 4 deletions
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content/en/docs/concepts/scheduling-eviction/pod-priority-preemption.md
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@@ -106,7 +106,7 @@ description: "This priority class should be used for XYZ service pods only."
{{< feature-state for_k8s_version="v1.19" state="beta" >}} {{< feature-state for_k8s_version="v1.19" state="beta" >}}
Pods with `PreemptionPolicy: Never` will be placed in the scheduling queue Pods with `preemptionPolicy: Never` will be placed in the scheduling queue
ahead of lower-priority pods, ahead of lower-priority pods,
but they cannot preempt other pods. but they cannot preempt other pods.
A non-preempting pod waiting to be scheduled will stay in the scheduling queue, A non-preempting pod waiting to be scheduled will stay in the scheduling queue,
@@ -122,16 +122,16 @@ allowing other pods with lower priority to be scheduled before them.
Non-preempting pods may still be preempted by other, Non-preempting pods may still be preempted by other,
high-priority pods. high-priority pods.
`PreemptionPolicy` defaults to `PreemptLowerPriority`, `preemptionPolicy` defaults to `PreemptLowerPriority`,
which will allow pods of that PriorityClass to preempt lower-priority pods which will allow pods of that PriorityClass to preempt lower-priority pods
(as is existing default behavior). (as is existing default behavior).
If `PreemptionPolicy` is set to `Never`, If `preemptionPolicy` is set to `Never`,
pods in that PriorityClass will be non-preempting. pods in that PriorityClass will be non-preempting.
An example use case is for data science workloads. An example use case is for data science workloads.
A user may submit a job that they want to be prioritized above other workloads, A user may submit a job that they want to be prioritized above other workloads,
but do not wish to discard existing work by preempting running pods. but do not wish to discard existing work by preempting running pods.
The high priority job with `PreemptionPolicy: Never` will be scheduled The high priority job with `preemptionPolicy: Never` will be scheduled
ahead of other queued pods, ahead of other queued pods,
as soon as sufficient cluster resources "naturally" become free. as soon as sufficient cluster resources "naturally" become free.