Oozie的动作节点可以是同步的，也可以是异步的。

Oozie Action Nodes can be synchronous or asynchronous.

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通过以下一个(或多个)动作启用了异步。

Asynchrony is enabled by doing one (or more) of the following actions.

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这些任务主要是异步执行的（只有文件系统动作例外，它是同步处理的）。

The majority of these tasks are executed asynchronously (the exception is the file system action that is handled synchronously).

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