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Documenting how to use EvenPodsSpread feature (#15514)

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* Documenting how to use EvenPodsSpread feature

* address comments

* address comments

* address sftim's comments

* move to folder workloads/pods

* address comments

* move yamls to examples folder and reference back in the document

* Link from scheduling to topology spread constraints
This commit is contained in:
Wei Huang
2019-09-07 10:47:18 -07:00
committed by Kubernetes Prow Robot
parent 38eb2f7c38
commit 015fe705f0
8 changed files with 280 additions and 2 deletions
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content/en/docs/reference/command-line-tools-reference/feature-gates.md
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@@ -100,6 +100,7 @@ different Kubernetes components.
| `ExpandPersistentVolumes` | `true` | Beta | 1.11 | |
| `ExperimentalCriticalPodAnnotation` | `false` | Alpha | 1.5 | |
| `ExperimentalHostUserNamespaceDefaulting` | `false` | Beta | 1.5 | |
| `EvenPodsSpread` | `false` | Alpha | 1.16 | |
| `GCERegionalPersistentDisk` | `true` | Beta | 1.10 | 1.12 |
| `GCERegionalPersistentDisk` | `true` | GA | 1.13 | - |
| `HugePages` | `false` | Alpha | 1.8 | 1.9 |
@@ -287,6 +288,7 @@ Each feature gate is designed for enabling/disabling a specific feature:
This feature is superceded by the `VolumeScheduling` feature completely in v1.12.
- `DynamicVolumeProvisioning`(*deprecated*): Enable the [dynamic provisioning](/docs/concepts/storage/dynamic-provisioning/) of persistent volumes to Pods.
- `EnableEquivalenceClassCache`: Enable the scheduler to cache equivalence of nodes when scheduling Pods.
- `EvenPodsSpread`: Enable pods to be scheduled evenly across topology domains. See [Even Pods Spread](/docs/concepts/configuration/even-pods-spread).
- `ExpandInUsePersistentVolumes`: Enable expanding in-use PVCs. See [Resizing an in-use PersistentVolumeClaim](/docs/concepts/storage/persistent-volumes/#resizing-an-in-use-persistentvolumeclaim).
- `ExpandPersistentVolumes`: Enable the expanding of persistent volumes. See [Expanding Persistent Volumes Claims](/docs/concepts/storage/persistent-volumes/#expanding-persistent-volumes-claims).
- `ExperimentalCriticalPodAnnotation`: Enable annotating specific pods as *critical* so that their [scheduling is guaranteed](/docs/tasks/administer-cluster/guaranteed-scheduling-critical-addon-pods/).