sync share-process-namespace horizontal-pod-autoscale run-replicated-stateful-application

Author: asa3311

content/zh-cn/docs/tasks/configure-pod-container/share-process-namespace.md

@@ -67,7 +67,7 @@ Process namespace sharing is enabled using the `shareProcessNamespace` field of
 2. 获取容器 `shell`，执行 `ps`：
 
  ```shell
- kubectl attach -it nginx -c shell
+ kubectl exec -it nginx -c shell -- /bin/sh
  ```
 
  <!--

content/zh-cn/docs/tasks/run-application/horizontal-pod-autoscale.md

@@ -982,7 +982,7 @@ the Deployment and / or StatefulSet be removed from their
 a change to that object is applied, for example via `kubectl apply -f
 deployment.yaml`, this will instruct Kubernetes to scale the current number of Pods
 to the value of the `spec.replicas` key. This may not be
-desired and could be troublesome when an HPA is active.
+desired and could be troublesome when an HPA is active, resulting in thrashing or flapping behavior.
 -->
 
 ### 将 Deployment 和 StatefulSet 迁移到水平自动扩缩 {#migrating-deployments-and-statefulsets-to-horizontal-autoscaling}
@@ -991,7 +991,7 @@ desired and could be troublesome when an HPA is active.
 Deployment 和/或 StatefulSet 的 `spec.replicas` 的值。
 如果不这样做，则只要应用对该对象的更改，例如通过 `kubectl apply -f deployment.yaml`，
 这将指示 Kubernetes 将当前 Pod 数量扩缩到 `spec.replicas` 键的值。这可能不是所希望的，
-并且当 HPA 处于活动状态时可能会很麻烦。
+并且当 HPA 处于活动状态时，可能会导致波动或反复变化的行为，进而带来麻烦。
 
 <!--
 Keep in mind that the removal of `spec.replicas` may incur a one-time

content/zh-cn/docs/tasks/run-application/run-replicated-stateful-application.md

@@ -54,6 +54,7 @@ MySQL 设置都使用的是不安全的默认值，这是因为我们想把重
 - Some familiarity with MySQL helps, but this tutorial aims to present
  general patterns that should be useful for other systems.
 - You are using the default namespace or another namespace that does not contain any conflicting objects.
+- You need to have a AMD64-compatible CPU.
 -->
 - 本教程假定你熟悉
  [PersistentVolumes](/zh-cn/docs/concepts/storage/persistent-volumes/)
@@ -63,6 +64,7 @@ MySQL 设置都使用的是不安全的默认值，这是因为我们想把重
  [ConfigMap](/zh-cn/docs/tasks/configure-pod-container/configure-pod-configmap/)。
 - 熟悉 MySQL 会有所帮助，但是本教程旨在介绍对其他系统应该有用的常规模式。
 - 你正在使用默认命名空间或不包含任何冲突对象的另一个命名空间。
+- 你需要拥有一块兼容 AMD64 架构的 CPU。
 
 ## {{% heading "objectives" %}}