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[zh-cn] updated quality-service-pod.md

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windsonsea 2022-08-16 10:34:58 +08:00
parent 59cd910ec5
commit fe973b867c
1 changed files with 23 additions and 33 deletions
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content/zh-cn/docs/tasks/configure-pod-container/quality-service-pod.md
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@ -21,7 +21,6 @@ scheduling and evicting Pods.
## {{% heading "prerequisites" %}} ## {{% heading "prerequisites" %}}
{{< include "task-tutorial-prereqs.md" >}} {{< version-check >}} {{< include "task-tutorial-prereqs.md" >}} {{< version-check >}}
<!-- steps --> <!-- steps -->
@ -45,8 +44,7 @@ Kubernetes 创建 Pod 时就给它指定了下列一种 QoS 类：
Create a namespace so that the resources you create in this exercise are Create a namespace so that the resources you create in this exercise are
isolated from the rest of your cluster. isolated from the rest of your cluster.
--> -->
## 创建命名空间 {#create-a-namespace}
## 创建命名空间
创建一个命名空间，以便将本练习所创建的资源与集群的其余资源相隔离。 创建一个命名空间，以便将本练习所创建的资源与集群的其余资源相隔离。
@ -69,7 +67,7 @@ These restrictions apply to init containers and app containers equally.
Here is the configuration file for a Pod that has one Container. The Container has a memory limit and a Here is the configuration file for a Pod that has one Container. The Container has a memory limit and a
memory request, both equal to 200 MiB. The Container has a CPU limit and a CPU request, both equal to 700 milliCPU: memory request, both equal to 200 MiB. The Container has a CPU limit and a CPU request, both equal to 700 milliCPU:
--> -->
## 创建一个 QoS 类为 Guaranteed 的 Pod ## 创建一个 QoS 类为 Guaranteed 的 Pod {#create-a-pod-that-gets-assigned-a-qos-class-of-guaranteed}
对于 QoS 类为 Guaranteed 的 Pod： 对于 QoS 类为 Guaranteed 的 Pod：
@ -81,25 +79,23 @@ memory request, both equal to 200 MiB. The Container has a CPU limit and a CPU r
这些限制同样适用于初始化容器和应用程序容器。 这些限制同样适用于初始化容器和应用程序容器。
下面是包含一个容器的 Pod 配置文件。 下面是包含一个容器的 Pod 配置文件。
容器设置了内存请求和内存限制，值都是 200 MiB。 该容器设置了内存请求和内存限制，值都是 200 MiB。
容器设置了 CPU 请求和 CPU 限制，值都是 700 milliCPU： 该容器设置了 CPU 请求和 CPU 限制，值都是 700 milliCPU：
{{< codenew file="pods/qos/qos-pod.yaml" >}} {{< codenew file="pods/qos/qos-pod.yaml" >}}
<!-- <!--
Create the Pod: Create the Pod:
--> -->
创建 Pod： 创建 Pod：
```shell ```shell
kubectl create -f https://k8s.io/examples/pods/qos/qos-pod.yaml --namespace=qos-example kubectl apply -f https://k8s.io/examples/pods/qos/qos-pod.yaml --namespace=qos-example
``` ```
<!-- <!--
View detailed information about the Pod: View detailed information about the Pod:
--> -->
查看 Pod 详情： 查看 Pod 详情：
```shell ```shell
@ -111,7 +107,6 @@ The output shows that Kubernetes gave the Pod a QoS class of Guaranteed. The out
verifies that the Pod Container has a memory request that matches its memory limit, and it has verifies that the Pod Container has a memory request that matches its memory limit, and it has
a CPU request that matches its CPU limit. a CPU request that matches its CPU limit.
--> -->
结果表明 Kubernetes 为 Pod 配置的 QoS 类为 Guaranteed。 结果表明 Kubernetes 为 Pod 配置的 QoS 类为 Guaranteed。
结果也确认了 Pod 容器设置了与内存限制匹配的内存请求，设置了与 CPU 限制匹配的 CPU 请求。 结果也确认了 Pod 容器设置了与内存限制匹配的内存请求，设置了与 CPU 限制匹配的 CPU 请求。
@ -145,7 +140,6 @@ the limit.
<!-- <!--
Delete your Pod: Delete your Pod:
--> -->
删除 Pod： 删除 Pod：
```shell ```shell
@ -163,7 +157,7 @@ A Pod is given a QoS class of Burstable if:
Here is the configuration file for a Pod that has one Container. The Container has a memory limit of 200 MiB Here is the configuration file for a Pod that has one Container. The Container has a memory limit of 200 MiB
and a memory request of 100 MiB. and a memory request of 100 MiB.
--> -->
## 创建一个 QoS 类为 Burstable 的 Pod ## 创建一个 QoS 类为 Burstable 的 Pod {#create-a-pod-that-gets-assigned-a-qos-class-of-burstable}
如果满足下面条件，将会指定 Pod 的 QoS 类为 Burstable： 如果满足下面条件，将会指定 Pod 的 QoS 类为 Burstable：
@ -171,24 +165,22 @@ and a memory request of 100 MiB.
* Pod 中至少一个容器具有内存或 CPU 的请求或限制。 * Pod 中至少一个容器具有内存或 CPU 的请求或限制。
下面是包含一个容器的 Pod 配置文件。 下面是包含一个容器的 Pod 配置文件。
容器设置了内存限制 200 MiB 和内存请求 100 MiB。 该容器设置了内存限制 200 MiB 和内存请求 100 MiB。
{{< codenew file="pods/qos/qos-pod-2.yaml" >}} {{< codenew file="pods/qos/qos-pod-2.yaml" >}}
<!-- <!--
Create the Pod: Create the Pod:
--> -->
创建 Pod： 创建 Pod：
```shell ```shell
kubectl create -f https://k8s.io/examples/pods/qos/qos-pod-2.yaml --namespace=qos-example kubectl apply -f https://k8s.io/examples/pods/qos/qos-pod-2.yaml --namespace=qos-example
``` ```
<!-- <!--
View detailed information about the Pod: View detailed information about the Pod:
--> -->
查看 Pod 详情： 查看 Pod 详情：
```shell ```shell
@ -198,7 +190,6 @@ kubectl get pod qos-demo-2 --namespace=qos-example --output=yaml
<!-- <!--
The output shows that Kubernetes gave the Pod a QoS class of Burstable. The output shows that Kubernetes gave the Pod a QoS class of Burstable.
--> -->
结果表明 Kubernetes 为 Pod 配置的 QoS 类为 Burstable。 结果表明 Kubernetes 为 Pod 配置的 QoS 类为 Burstable。
```yaml ```yaml
@ -235,12 +226,12 @@ have any memory or CPU limits or requests.
Here is the configuration file for a Pod that has one Container. The Container has no memory or CPU Here is the configuration file for a Pod that has one Container. The Container has no memory or CPU
limits or requests: limits or requests:
--> -->
## 创建一个 QoS 类为 BestEffort 的 Pod ## 创建一个 QoS 类为 BestEffort 的 Pod {#create-a-pod-that-gets-assigned-a-qos-class-of-besteffort}
对于 QoS 类为 BestEffort 的 Pod，Pod 中的容器必须没有设置内存和 CPU 限制或请求。 对于 QoS 类为 BestEffort 的 Pod，Pod 中的容器必须没有设置内存和 CPU 限制或请求。
下面是包含一个容器的 Pod 配置文件。 下面是包含一个容器的 Pod 配置文件。
容器没有设置内存和 CPU 限制或请求。 该容器没有设置内存和 CPU 限制或请求。
{{< codenew file="pods/qos/qos-pod-3.yaml" >}} {{< codenew file="pods/qos/qos-pod-3.yaml" >}}
@ -250,7 +241,7 @@ Create the Pod:
创建 Pod： 创建 Pod：
```shell ```shell
kubectl create -f https://k8s.io/examples/pods/qos/qos-pod-3.yaml --namespace=qos-example kubectl apply -f https://k8s.io/examples/pods/qos/qos-pod-3.yaml --namespace=qos-example
``` ```
<!-- <!--
@ -292,7 +283,7 @@ kubectl delete pod qos-demo-3 --namespace=qos-example
Here is the configuration file for a Pod that has two Containers. One container specifies a memory Here is the configuration file for a Pod that has two Containers. One container specifies a memory
request of 200 MiB. The other Container does not specify any requests or limits. request of 200 MiB. The other Container does not specify any requests or limits.
--> -->
## 创建包含两个容器的 Pod ## 创建包含两个容器的 Pod {#create-a-pod-that-has-two-containers}
下面是包含两个容器的 Pod 配置文件。 下面是包含两个容器的 Pod 配置文件。
一个容器指定了内存请求 200 MiB。 一个容器指定了内存请求 200 MiB。
@ -312,7 +303,7 @@ Create the Pod:
创建 Pod： 创建 Pod：
```shell ```shell
kubectl create -f https://k8s.io/examples/pods/qos/qos-pod-4.yaml --namespace=qos-example kubectl apply -f https://k8s.io/examples/pods/qos/qos-pod-4.yaml --namespace=qos-example
``` ```
<!-- <!--
@ -359,7 +350,7 @@ kubectl delete pod qos-demo-4 --namespace=qos-example
Delete your namespace: Delete your namespace:
--> -->
## 环境清理 ## 环境清理 {#clean-up}
删除命名空间： 删除命名空间：
@ -385,17 +376,17 @@ kubectl delete namespace qos-example
<!-- <!--
### For cluster administrators ### For cluster administrators
* [Configure Default Memory Requests and Limits for a Namespace](/docs/tasks/administer-cluster/memory-default-namespace/) * [Configure Default Memory Requests and Limits for a Namespace](/docs/tasks/administer-cluster/manage-resources/memory-default-namespace/)
* [Configure Default CPU Requests and Limits for a Namespace](/docs/tasks/administer-cluster/cpu-default-namespace/) * [Configure Default CPU Requests and Limits for a Namespace](/docs/tasks/administer-cluster/manage-resources/cpu-default-namespace/)
* [Configure Minimum and Maximum Memory Constraints for a Namespace](/docs/tasks/administer-cluster/memory-constraint-namespace/) * [Configure Minimum and Maximum Memory Constraints for a Namespace](/docs/tasks/administer-cluster/manage-resources/memory-constraint-namespace/)
* [Configure Minimum and Maximum CPU Constraints for a Namespace](/docs/tasks/administer-cluster/cpu-constraint-namespace/) * [Configure Minimum and Maximum CPU Constraints for a Namespace](/docs/tasks/administer-cluster/manage-resources/cpu-constraint-namespace/)
* [Configure Memory and CPU Quotas for a Namespace](/docs/tasks/administer-cluster/quota-memory-cpu-namespace/) * [Configure Memory and CPU Quotas for a Namespace](/docs/tasks/administer-cluster/manage-resources/quota-memory-cpu-namespace/)
* [Configure a Pod Quota for a Namespace](/docs/tasks/administer-cluster/quota-pod-namespace/) * [Configure a Pod Quota for a Namespace](/docs/tasks/administer-cluster/manage-resources/quota-pod-namespace/)
* [Configure Quotas for API Objects](/docs/tasks/administer-cluster/quota-api-object/) * [Configure Quotas for API Objects](/docs/tasks/administer-cluster/quota-api-object/)
@ -405,7 +396,8 @@ kubectl delete namespace qos-example
### 集群管理员参考 ### 集群管理员参考
* [为命名空间配置默认的内存请求和限制](/zh-cn/docs/tasks/administer-cluster/manage-resources/memory-default-namespace/) * [为命名空间配置默认的内存请求和限制](/zh-cn/docs/tasks/administer-cluster/manage-resources/memory-default-namespace/)
* [为命名空间配置默认的 CPU 请求和限制](/zh-cn/docs/tasks/administer-cluster/manage-resources/cpu-default-namespace)
* [为命名空间配置默认的 CPU 请求和限制](/zh-cn/docs/tasks/administer-cluster/manage-resources/cpu-default-namespace/)
* [为命名空间配置最小和最大内存限制](/zh-cn/docs/tasks/administer-cluster/manage-resources/memory-constraint-namespace/) * [为命名空间配置最小和最大内存限制](/zh-cn/docs/tasks/administer-cluster/manage-resources/memory-constraint-namespace/)
@ -419,5 +411,3 @@ kubectl delete namespace qos-example
* [控制节点上的拓扑管理策略](/zh-cn/docs/tasks/administer-cluster/topology-manager/) * [控制节点上的拓扑管理策略](/zh-cn/docs/tasks/administer-cluster/topology-manager/)