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[zh] Sync tasks pages for run-replicated-stateful-application.md

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* Sync with english version in 'Avoid using namespace that is a reserved object (#27128)'

Signed-off-by: ydFu <ader.ydfu@gmail.com>
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ydFu
2021-03-24 10:09:29 +08:00
parent 00d5073abf
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content/zh/docs/tasks/run-application/run-replicated-stateful-application.md
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@@ -55,6 +55,7 @@ on general patterns for running stateful applications in Kubernetes.
[ConfigMaps](/docs/tasks/configure-pod-container/configure-pod-configmap/). [ConfigMaps](/docs/tasks/configure-pod-container/configure-pod-configmap/).
* Some familiarity with MySQL helps, but this tutorial aims to present * Some familiarity with MySQL helps, but this tutorial aims to present
general patterns that should be useful for other systems. 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.
--> -->
* 本教程假定你熟悉 * 本教程假定你熟悉
[PersistentVolumes](/zh/docs/concepts/storage/persistent-volumes/) [PersistentVolumes](/zh/docs/concepts/storage/persistent-volumes/)
@@ -63,6 +64,7 @@ on general patterns for running stateful applications in Kubernetes.
[服务](/zh/docs/concepts/services-networking/service/) 与 [服务](/zh/docs/concepts/services-networking/service/) 与
[ConfigMap](/zh/docs/tasks/configure-pod-container/configure-pod-configmap/). [ConfigMap](/zh/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。 * 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。
* 您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。
## {{% heading "objectives" %}} ## {{% heading "objectives" %}}
@@ -280,21 +282,20 @@ properties.
The script in the `init-mysql` container also applies either `primary.cnf` or The script in the `init-mysql` container also applies either `primary.cnf` or
`replica.cnf` from the ConfigMap by copying the contents into `conf.d`. `replica.cnf` from the ConfigMap by copying the contents into `conf.d`.
Because the example topology consists of a single primary MySQL server and any number of Because the example topology consists of a single primary MySQL server and any number of
replicas, the script simply assigns ordinal `0` to be the primary server, and everyone replicas, the script assigns ordinal `0` to be the primary server, and everyone
else to be replicas. else to be replicas.
Combined with the StatefulSet controller's Combined with the StatefulSet controller's
[deployment order guarantee](/docs/concepts/workloads/controllers/statefulset/#deployment-and-scaling-guarantees/), [deployment order guarantee](/docs/concepts/workloads/controllers/statefulset/#deployment-and-scaling-guarantees),
this ensures the primary MySQL server is Ready before creating replicas, so they can begin this ensures the primary MySQL server is Ready before creating replicas, so they can begin
replicating. replicating.
--> -->
通过将内容复制到 conf.d 中，`init-mysql` 容器中的脚本也可以应用 ConfigMap 中的 通过将内容复制到 conf.d 中，`init-mysql` 容器中的脚本也可以应用 ConfigMap 中的 `primary.cnf` 或 `replica.cnf`。
`primary.cnf` 或 `replica.cnf`。 由于示例部署结构由单个 MySQL 主节点和任意数量的副本节点组成，
由于示例部署结构由单个 MySQL 主节点和任意数量的副本节点组成，因此脚本仅将序数 因此脚本仅将序数 `0` 指定为主节点，而将其他所有节点指定为副本节点。
`0` 指定为主节点，而将其他所有节点指定为副本节点。
与 StatefulSet 控制器的 与 StatefulSet 控制器的
[部署顺序保证](/zh/docs/concepts/workloads/controllers/statefulset/#deployment-and-scaling-guarantees/) [部署顺序保证](/zh/docs/concepts/workloads/controllers/statefulset/#deployment-and-scaling-guarantees)
相结合， 相结合，
可以确保 MySQL 主服务器在创建副本服务器之前已准备就绪，以便它们可以开始复制。 可以确保 MySQL 主服务器在创建副本服务器之前已准备就绪，以便它们可以开始复制。