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[FLINK-18941][docs-zh] Correct typos in \docs\ops\memory\mem_setup_jobmanager.zh.md #13211

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4 changes: 2 additions & 2 deletions docs/ops/memory/mem_setup_jobmanager.zh.md
Expand Up @@ -93,13 +93,13 @@ Flink 需要多少 *JVM 堆内存*,很大程度上取决于运行的作业数
如果遇到 JobManager 进程抛出 “OutOfMemoryError: Direct buffer memory” 的异常,可以尝试调大这项配置。
请参考[常见问题](mem_trouble.html#outofmemoryerror-direct-buffer-memory)。

一下情况可能用到堆外内存
以下情况可能用到堆外内存
* Flink 框架依赖(例如 Akka 的网络通信)
* 在作业提交时(例如一些特殊的批处理 Source)及 Checkpoint 完成的回调函数中执行的用户代码

<span class="label label-info">提示</span>
如果同时配置了 [Flink 总内存](mem_setup.html#configure-total-memory)和 [JVM 堆内存](#configure-jvm-heap),且没有配置*堆外内存*,那么*堆外内存*的大小将会是 [Flink 总内存](mem_setup.html#configure-total-memory)减去[JVM 堆内存](#configure-jvm-heap)。
这种情况下,*对外内存*的默认大小将不会生效。
这种情况下,*堆外内存*的默认大小将不会生效。

<a name="local-execution" />

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