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Add swap memory to node documentation

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Elana Hashman
2021-07-07 08:18:33 -07:00
parent 2923e6ba56
commit 429638be6a
2 changed files with 47 additions and 0 deletions
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content/en/docs/reference/command-line-tools-reference/feature-gates.md
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@@ -146,6 +146,7 @@ different Kubernetes components.
| `MixedProtocolLBService` | `false` | Alpha | 1.20 | |
| `NetworkPolicyEndPort` | `false` | Alpha | 1.21 | 1.21 |
| `NetworkPolicyEndPort` | `true` | Beta | 1.22 | |
| `NodeSwap` | `false` | Alpha | 1.22 | |
| `NonPreemptingPriority` | `false` | Alpha | 1.15 | 1.18 |
| `NonPreemptingPriority` | `true` | Beta | 1.19 | |
| `PodDeletionCost` | `false` | Alpha | 1.21 | 1.21 |
@@ -783,6 +784,9 @@ Each feature gate is designed for enabling/disabling a specific feature:
- `NodeDisruptionExclusion`: Enable use of the Node label `node.kubernetes.io/exclude-disruption`
which prevents nodes from being evacuated during zone failures.
- `NodeLease`: Enable the new Lease API to report node heartbeats, which could be used as a node health signal.
- `NodeSwap`: Enable the kubelet to allocate swap memory for Kubernetes workloads on a node.
Must be used with `KubeletConfiguration.failSwapOn` set to false.
For more details, please see [swap memory](/docs/concepts/architecture/nodes/#swap-memory)
- `NonPreemptingPriority`: Enable `preemptionPolicy` field for PriorityClass and Pod.
- `PVCProtection`: Enable the prevention of a PersistentVolumeClaim (PVC) from
being deleted when it is still used by any Pod.