Merge pull request #49401 from windsonsea/polquo
[zh] sync policy/resource-quotas.md
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@ -6,7 +6,6 @@ api_metadata:
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content_type: concept
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weight: 20
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---
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<!--
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reviewers:
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- derekwaynecarr
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@ -54,7 +53,7 @@ Resource quotas work like this:
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tracks usage to ensure it does not exceed hard resource limits defined in a ResourceQuota.
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- If creating or updating a resource violates a quota constraint, the request will fail with HTTP
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status code `403 FORBIDDEN` with a message explaining the constraint that would have been violated.
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- If quota is enabled in a namespace for compute resources like `cpu` and `memory`, users must specify
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- If quotas are enabled in a namespace for compute resources like `cpu` and `memory`, users must specify
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requests or limits for those values; otherwise, the quota system may reject pod creation. Hint: Use
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the `LimitRanger` admission controller to force defaults for pods that make no compute resource requirements.
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@ -405,9 +404,9 @@ exhausts the cluster's supply of Pod IPs.
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从而耗尽集群所能提供的 Pod IP 地址。
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<!--
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您可以在[查看和设置配额](#viewing-and-setting-quotas) 上找到更多示例。
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You can find more examples on [Viewing and Setting Quotas](#viewing-and-setting-quotas).
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-->
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你可以在[查看和设置配额](#viewing-and-setting-quotas)节查看更多示例。
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你可以在[查看和设置配额](#viewing-and-setting-quotas)一节查看更多示例。
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<!--
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## Quota Scopes
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@ -429,9 +428,9 @@ Resources specified on the quota outside of the allowed set results in a validat
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<!--
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| Scope | Description |
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| ----- | ------------ |
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| `Terminating` | Match pods where `.spec.activeDeadlineSeconds >= 0` |
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| `NotTerminating` | Match pods where `.spec.activeDeadlineSeconds is nil` |
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| ----- | ----------- |
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| `Terminating` | Match pods where `.spec.activeDeadlineSeconds` >= `0` |
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| `NotTerminating` | Match pods where `.spec.activeDeadlineSeconds` is `nil` |
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| `BestEffort` | Match pods that have best effort quality of service. |
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| `NotBestEffort` | Match pods that do not have best effort quality of service. |
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| `PriorityClass` | Match pods that references the specified [priority class](/docs/concepts/scheduling-eviction/pod-priority-preemption). |
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@ -538,7 +537,7 @@ Pod 可以创建为特定的[优先级](/zh-cn/docs/concepts/scheduling-eviction
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<!--
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A quota is matched and consumed only if `scopeSelector` in the quota spec selects the pod.
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-->
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仅当配额规范中的 `scopeSelector` 字段选择到某 Pod 时，配额机制才会匹配和计量 Pod 的资源消耗。
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仅当配额规约中的 `scopeSelector` 字段选择到某 Pod 时，配额机制才会匹配和计量 Pod 的资源消耗。
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<!--
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When quota is scoped for priority class using `scopeSelector` field, quota object
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@ -572,57 +571,11 @@ works as follows:
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- 为每个优先级创建一个配额对象。
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<!--
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Save the following YAML to a file `quota.yml`.
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Save the following YAML to a file `quota.yaml`.
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-->
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将以下 YAML 保存到文件 `quota.yml` 中。
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将以下 YAML 保存到文件 `quota.yaml` 中。
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```yaml
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apiVersion: v1
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kind: List
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items:
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- apiVersion: v1
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kind: ResourceQuota
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metadata:
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name: pods-high
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spec:
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hard:
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cpu: "1000"
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memory: 200Gi
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pods: "10"
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scopeSelector:
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matchExpressions:
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- operator: In
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scopeName: PriorityClass
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values: ["high"]
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- apiVersion: v1
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kind: ResourceQuota
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metadata:
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name: pods-medium
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spec:
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hard:
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cpu: "10"
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memory: 20Gi
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pods: "10"
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scopeSelector:
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matchExpressions:
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- operator: In
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scopeName: PriorityClass
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values: ["medium"]
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- apiVersion: v1
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kind: ResourceQuota
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metadata:
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name: pods-low
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spec:
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hard:
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cpu: "5"
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memory: 10Gi
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pods: "10"
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scopeSelector:
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matchExpressions:
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- operator: In
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scopeName: PriorityClass
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values: ["low"]
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```
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{{% code_sample file="policy/quota.yaml" %}}
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<!--
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Apply the YAML using `kubectl create`.
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@ -630,7 +583,7 @@ Apply the YAML using `kubectl create`.
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使用 `kubectl create` 命令运行以下操作。
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```shell
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kubectl create -f ./quota.yml
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kubectl create -f ./quota.yaml
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```
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```
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@ -678,31 +631,12 @@ pods 0 10
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<!--
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Create a pod with priority "high". Save the following YAML to a
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file `high-priority-pod.yml`.
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file `high-priority-pod.yaml`.
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-->
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创建优先级为 "high" 的 Pod。
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将以下 YAML 保存到文件 `high-priority-pod.yml` 中。
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将以下 YAML 保存到文件 `high-priority-pod.yaml` 中。
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```yaml
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apiVersion: v1
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kind: Pod
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metadata:
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name: high-priority
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spec:
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containers:
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- name: high-priority
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image: ubuntu
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command: ["/bin/sh"]
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args: ["-c", "while true; do echo hello; sleep 10;done"]
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resources:
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requests:
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memory: "10Gi"
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cpu: "500m"
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limits:
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memory: "10Gi"
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cpu: "500m"
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priorityClassName: high
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```
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{{% code_sample file="policy/high-priority-pod.yaml" %}}
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<!--
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Apply it with `kubectl create`.
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@ -710,7 +644,7 @@ Apply it with `kubectl create`.
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使用 `kubectl create` 运行以下操作。
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```shell
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kubectl create -f ./high-priority-pod.yml
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kubectl create -f ./high-priority-pod.yaml
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```
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<!--
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@ -877,9 +811,9 @@ metadata:
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spec:
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hard:
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requests.cpu: "1"
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requests.memory: 1Gi
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requests.memory: "1Gi"
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limits.cpu: "2"
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limits.memory: 2Gi
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limits.memory: "2Gi"
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requests.nvidia.com/gpu: 4
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EOF
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```
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@ -0,0 +1,18 @@
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apiVersion: v1
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kind: Pod
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metadata:
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name: high-priority
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spec:
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containers:
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- name: high-priority
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image: ubuntu
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command: ["/bin/sh"]
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args: ["-c", "while true; do echo hello; sleep 10;done"]
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resources:
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requests:
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memory: "10Gi"
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cpu: "500m"
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limits:
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memory: "10Gi"
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cpu: "500m"
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priorityClassName: high
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@ -0,0 +1,45 @@
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apiVersion: v1
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kind: List
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items:
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- apiVersion: v1
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kind: ResourceQuota
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metadata:
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name: pods-high
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spec:
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hard:
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cpu: "1000"
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memory: "200Gi"
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pods: "10"
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scopeSelector:
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matchExpressions:
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- operator: In
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scopeName: PriorityClass
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values: ["high"]
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- apiVersion: v1
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kind: ResourceQuota
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metadata:
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name: pods-medium
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spec:
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hard:
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cpu: "10"
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memory: "20Gi"
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pods: "10"
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scopeSelector:
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matchExpressions:
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- operator: In
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scopeName: PriorityClass
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values: ["medium"]
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- apiVersion: v1
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kind: ResourceQuota
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metadata:
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name: pods-low
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spec:
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hard:
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cpu: "5"
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memory: "10Gi"
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pods: "10"
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scopeSelector:
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matchExpressions:
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- operator: In
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scopeName: PriorityClass
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values: ["low"]
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