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Update assign-pod-node.md

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1. 修正部分说明，让语意更加明确
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Dingzhu Lurong
2022-01-19 15:45:31 +08:00
parent ebceaf1343
commit 7ec8bad3a9
1 changed files with 4 additions and 4 deletions
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content/zh/docs/concepts/scheduling-eviction/assign-pod-node.md
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@@ -625,13 +625,13 @@ In a three node cluster, a web application has in-memory cache such as redis. We
##### 始终放置在相同节点上 ##### 始终放置在相同节点上
在三节点集群中，一个 web 应用程序具有内存缓存，例如 redis。 在三节点集群中，一个 web 应用程序具有内存缓存，例如 redis。
我们希望 web 服务器尽可能与缓存放置在同一位置。 我们希望 web 服务器与缓存尽可能放置在同一节点上。
<!-- <!--
Here is the yaml snippet of a simple redis deployment with three replicas and selector label `app=store`. The deployment has `PodAntiAffinity` configured to ensure the scheduler does not co-locate replicas on a single node. Here is the yaml snippet of a simple redis deployment with three replicas and selector label `app=store`. The deployment has `PodAntiAffinity` configured to ensure the scheduler does not co-locate replicas on a single node.
--> -->
下面是一个简单 redis Deployment 的 YAML 代码段，它有三个副本和选择器标签 `app=store`。 下面是一个简单 redis Deployment 的 YAML 代码段，它有三个副本和选择器标签 `app=store`。
Deployment 配置了 `PodAntiAffinity`，用来确保调度器不会将副本调度到单个节点上。 Deployment 配置了 `PodAntiAffinity`，用来确保调度器不会将所有副本调度到同一节点上。
```yaml ```yaml
apiVersion: apps/v1 apiVersion: apps/v1
@@ -667,8 +667,8 @@ spec:
The below yaml snippet of the webserver deployment has `podAntiAffinity` and `podAffinity` configured. This informs the scheduler that all its replicas are to be co-located with pods that have selector label `app=store`. This will also ensure that each web-server replica does not co-locate on a single node. The below yaml snippet of the webserver deployment has `podAntiAffinity` and `podAffinity` configured. This informs the scheduler that all its replicas are to be co-located with pods that have selector label `app=store`. This will also ensure that each web-server replica does not co-locate on a single node.
--> -->
下面 webserver Deployment 的 YAML 代码段中配置了 `podAntiAffinity` 和 `podAffinity`。 下面 webserver Deployment 的 YAML 代码段中配置了 `podAntiAffinity` 和 `podAffinity`。
这将通知调度器将它的所有副本与具有 `app=store` 选择器标签的 Pod 放置在一起。 这将通知调度器将 web-server 的所有副本与具有 `app=store` 选择器标签的 Pod 放置在一起。
这还确保每个 web 服务器副本不会调度到单个节点上。 同时这还确保了不会有两个 web 服务器的副本被调度到同一节点上。
```yaml ```yaml
apiVersion: apps/v1 apiVersion: apps/v1