1996fanrui commented on a change in pull request #9454: [FLINK-13644][docs-zh]
Translate "State Backends" page into Chinese
URL: https://github.com/apache/flink/pull/9454#discussion_r315496390
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File path: docs/ops/state/state_backends.zh.md
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@@ -22,114 +22,111 @@ specific language governing permissions and limitations
under the License.
-->
-Programs written in the [Data Stream API]({{ site.baseurl
}}/dev/datastream_api.html) often hold state in various forms:
+用 [Data Stream API]({{ site.baseurl }}/zh/dev/datastream_api.html)
编写的程序通常以各种形式保存状态：
-- Windows gather elements or aggregates until they are triggered
-- Transformation functions may use the key/value state interface to store
values
-- Transformation functions may implement the `CheckpointedFunction` interface
to make their local variables fault tolerant
+- 在 Window 触发之前要么收集元素、要么聚合
+- 转换函数可以使用 key/value 格式的状态接口来存储状态
+- 转换函数可以实现 `CheckpointedFunction` 接口，使其本地变量具有容错能力
-See also [state section]({{ site.baseurl }}/dev/stream/state/index.html) in
the streaming API guide.
+另请参阅 Streaming API 指南中的 [状态部分]({{ site.baseurl
}}/zh/dev/stream/state/index.html) 。
-When checkpointing is activated, such state is persisted upon checkpoints to
guard against data loss and recover consistently.
-How the state is represented internally, and how and where it is persisted
upon checkpoints depends on the
-chosen **State Backend**.
+CheckPoint 开启时，CheckPoint 持续地进行来防止数据丢失，并且能够完整地恢复。
Review comment:
同意
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