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Clean up dynamic-resource-allocation.md

pull/47502/head
Michael 2024-08-14 22:18:49 +08:00
parent 448dda423a
commit a62fc74742
1 changed files with 15 additions and 18 deletions
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content/en/docs/concepts/scheduling-eviction/dynamic-resource-allocation.md
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@ -34,18 +34,17 @@ handles allocation in cooperation with the Kubernetes scheduler.
## {{% heading "prerequisites" %}}
Kubernetes v{{< skew currentVersion >}} includes cluster-level API support for
dynamic resource allocation, but it [needs to be
enabled](#enabling-dynamic-resource-allocation) explicitly. You also must
install a resource driver for specific resources that are meant to be managed
using this API. If you are not running Kubernetes v{{< skew currentVersion>}},
check the documentation for that version of Kubernetes.
dynamic resource allocation, but it [needs to be enabled](#enabling-dynamic-resource-allocation)
explicitly. You also must install a resource driver for specific resources that
are meant to be managed using this API. If you are not running Kubernetes
v{{< skew currentVersion>}}, check the documentation for that version of Kubernetes.
<!-- body -->
## API
The `resource.k8s.io/v1alpha3` {{< glossary_tooltip text="API group"
term_id="api-group" >}} provides these types:
The `resource.k8s.io/v1alpha3`
{{< glossary_tooltip text="API group" term_id="api-group" >}} provides these types:
ResourceClaim
: Describes a request for access to resources in the cluster,
@ -268,12 +267,10 @@ the `.spec.nodeName` field and to use a node selector instead.
## Enabling dynamic resource allocation
Dynamic resource allocation is an *alpha feature* and only enabled when the
`DynamicResourceAllocation` [feature
gate](/docs/reference/command-line-tools-reference/feature-gates/) and the
`resource.k8s.io/v1alpha3` {{< glossary_tooltip text="API group"
term_id="api-group" >}} are enabled. For details on that, see the
`--feature-gates` and `--runtime-config` [kube-apiserver
parameters](/docs/reference/command-line-tools-reference/kube-apiserver/).
`DynamicResourceAllocation` [feature gate](/docs/reference/command-line-tools-reference/feature-gates/)
and the `resource.k8s.io/v1alpha3` {{< glossary_tooltip text="API group" term_id="api-group" >}}
are enabled. For details on that, see the `--feature-gates` and `--runtime-config`
[kube-apiserver parameters](/docs/reference/command-line-tools-reference/kube-apiserver/).
kube-scheduler, kube-controller-manager and kubelet also need the feature gate.
When a resource driver uses a control plane controller, then the
@ -281,7 +278,7 @@ When a resource driver uses a control plane controller, then the
`DynamicResourceAllocation`.
A quick check whether a Kubernetes cluster supports the feature is to list
ResourceClass objects with:
DeviceClass objects with:
```shell
kubectl get deviceclasses
@ -315,7 +312,7 @@ be installed. Please refer to the driver's documentation for details.
## {{% heading "whatsnext" %}}
- For more information on the design, see the
[Structured Parameters with Structured Parameters](https://github.com/kubernetes/enhancements/tree/master/keps/sig-node/4381-dra-structured-parameters)
and the
[Dynamic Resource Allocation with Control Plane Controller](https://github.com/kubernetes/enhancements/blob/master/keps/sig-node/3063-dynamic-resource-allocation/README.md) KEPs.
- For more information on the design, see the
[Structured Parameters with Structured Parameters](https://github.com/kubernetes/enhancements/tree/master/keps/sig-node/4381-dra-structured-parameters)
and the
[Dynamic Resource Allocation with Control Plane Controller](https://github.com/kubernetes/enhancements/blob/master/keps/sig-node/3063-dynamic-resource-allocation/README.md) KEPs.