Merge pull request kubernetes#23740 from tengqm/zh-sync-eviction-policy

[zh] Add eviction policy page

content/zh/docs/concepts/scheduling-eviction/eviction-policy.md

@@ -0,0 +1,44 @@
+---
+title: 驱逐策略
+content_template: templates/concept
+weight: 60
+---
+<!--
+title: Eviction Policy
+content_template: templates/concept
+weight: 60
+-->
+
+<!-- overview -->
+<!--
+This page is an overview of Kubernetes' policy for eviction.
+-->
+本页提供 Kubernetes 驱逐策略的概览。
+
+<!-- body -->
+
+<!--
+## Eviction Policy
+
+The {{< glossary_tooltip text="Kubelet" term_id="kubelet" >}} can proactively monitor for and prevent total starvation of a
+compute resource. In those cases, the `kubelet` can reclaim the starved
+resource by proactively failing one or more Pods. When the `kubelet` fails
+a Pod, it terminates all of its containers and transitions its `PodPhase` to `Failed`.
+If the evicted Pod is managed by a Deployment, the Deployment will create another Pod
+to be scheduled by Kubernetes.
+-->
+## 驱逐策略  {#eviction-policy}
+
+{{< glossary_tooltip text="Kubelet" term_id="kubelet" >}} 能够主动监测和防止计算资源的全面短缺。
+在资源短缺的情况下，`kubelet` 可以主动地结束一个或多个 Pod 以回收短缺的资源。
+当 `kubelet` 结束一个 Pod 时，它将终止 Pod 中的所有容器，而 Pod 的 `Phase` 将变为 `Failed`。
+如果被驱逐的 Pod 由 Deployment 管理，这个 Deployment 会创建另一个 Pod 给 Kubernetes 来调度。
+
+## {{% heading "whatsnext" %}}
+
+<!--
+- Read [Configure out of resource handling](/docs/tasks/administer-cluster/out-of-resource/) to learn more about eviction signals, thresholds, and handling.
+-->
+- 阅读[配置资源不足的处理](/zh/docs/tasks/administer-cluster/out-of-resource/)，
+  进一步了解驱逐信号、阈值以及处理方法。
+

content/zh/docs/concepts/scheduling-eviction/kube-scheduler.md

@@ -5,11 +5,9 @@ weight: 50
 ---
 
 <!--
----
 title: Kubernetes Scheduler
 content_type: concept
 weight: 50
----
 -->
 <!-- overview -->
 

content/zh/docs/concepts/scheduling-eviction/scheduler-perf-tuning.md

@@ -1,14 +1,14 @@
 ---
 title: 调度器性能调优
 content_type: concept
-weight: 70
+weight: 80
 ---
 <!--
 reviewers:
 - bsalamat
 title: Scheduler Performance Tuning
 content_type: concept
-weight: 70
+weight: 80
 -->
 
 <!-- overview -->

content/zh/docs/concepts/scheduling-eviction/scheduling-framework.md

@@ -3,7 +3,7 @@ reviewers:
 - ahg-g
 title: 调度框架
 content_type: concept
-weight: 60
+weight: 70
 ---
 
 <!--

content/zh/docs/tasks/administer-cluster/out-of-resource.md

@@ -29,24 +29,6 @@ nodes become unstable.
 
 <!-- body -->
 
-<!--
-## Eviction Policy
-
-The `kubelet` can proactively monitor for and prevent total starvation of a
-compute resource. In those cases, the `kubelet` can reclaim the starved
-resource by proactively failing one or more Pods. When the `kubelet` fails
-a Pod, it terminates all of its containers and transitions its `PodPhase` to `Failed`.
-
-If the evicted Pod is managed by a Deployment, the Deployment will create another Pod 
-to be scheduled by Kubernetes.
--->
-## 驱逐策略
-
-`kubelet` 能够主动监测和防止计算资源的全面短缺。
-在那种情况下，`kubelet` 可以主动地结束一个或多个 Pod 以回收短缺的资源。
-当 `kubelet` 结束一个 Pod 时，它将终止 Pod 中的所有容器，而 Pod 的 `PodPhase` 将变为 `Failed`。
-
-如果被驱逐的 Pod 由 Deployment 管理，这个 Deployment 会创建另一个 Pod 给 Kubernetes 来调度。
 
 <!--
 ### Eviction Signals
@@ -61,16 +43,16 @@ the `kubelet` summary API.
 每个信号的值在 description 列描述，基于 `kubelet` 摘要 API。
 
 <!--
-| Eviction Signal  | Description                                                                     |
-|----------------------------|-----------------------------------------------------------------------|
+| Eviction Signal            | Description                                                         |
+|----------------------------|---------------------------------------------------------------------|
 | `memory.available` | `memory.available` := `node.status.capacity[memory]` - `node.stats.memory.workingSet` |
 | `nodefs.available` | `nodefs.available` := `node.stats.fs.available` |
 | `nodefs.inodesFree` | `nodefs.inodesFree` := `node.stats.fs.inodesFree` |
 | `imagefs.available` | `imagefs.available` := `node.stats.runtime.imagefs.available` |
 | `imagefs.inodesFree` | `imagefs.inodesFree` := `node.stats.runtime.imagefs.inodesFree` |
 -->
-| 驱逐信号  | 描述                                                                     |
-|----------------------------|-----------------------------------------------------------------------|
+| 驱逐信号                   | 描述                                                                |
+|----------------------------|---------------------------------------------------------------------|
 | `memory.available` | `memory.available` := `node.status.capacity[memory]` - `node.stats.memory.workingSet` |
 | `nodefs.available` | `nodefs.available` := `node.stats.fs.available` |
 | `nodefs.inodesFree` | `nodefs.inodesFree` := `node.stats.fs.inodesFree` |
@@ -131,7 +113,7 @@ support in favor of eviction in response to disk pressure.
 -->
 `imagefs` 可选。`kubelet` 使用 cAdvisor 自动发现这些文件系统。
 `kubelet` 不关心其它文件系统。当前不支持配置任何其它类型。
-例如，在专用 `filesytem` 中存储卷和日志是不可以的。
+例如，在专用 `filesytem` 中存储卷和日志是 _不可以_ 的。
 
 在将来的发布中，`kubelet`将废除当前存在的
 [垃圾回收](/zh/docs/concepts/cluster-administration/kubelet-garbage-collection/)