Remove the "How to disable preemption" stanza and rewordings

2020-07-09 17:48:17 -07:00
parent e2fd28a35b
commit 481aa2cce0
2 changed files with 5 additions and 35 deletions
@@ -51,36 +51,6 @@ Kubernetes already ships with two PriorityClasses:
 These are common classes and are used to [ensure that critical components are always scheduled first](/docs/tasks/administer-cluster/guaranteed-scheduling-critical-addon-pods/).
 {{< /note >}}

-## How to disable preemption
-
-{{< caution >}}
-Critical pods rely on scheduler preemption to be scheduled when a cluster
-is under resource pressure. For this reason, it is not recommended to
-disable preemption.
-{{< /caution >}}
-
-{{< note >}}
-In Kubernetes 1.15 and later, if the feature `NonPreemptingPriority` is enabled,
-PriorityClasses have the option to set `preemptionPolicy: Never`.
-This will prevent pods of that PriorityClass from preempting other pods.
-{{< /note >}}
-
-Starting from Kubernetes 1.19, Preemption is controlled by a kube-scheduler
-plugin: `DefaultPreemption`, which is enabled by default.
-If you want to disable preemption despite the above note, below is a sample
-component config:
-
-```yaml
-apiVersion: kubescheduler.config.k8s.io/v1beta1
-kind: KubeSchedulerConfiguration
-profiles:
-  - schedulerName: default-scheduler
-    plugins:
-      postFilter:
-        disabled:
-        - name: DefaultPreemption
-```
-
 ## PriorityClass

 A PriorityClass is a non-namespaced object that defines a mapping from a