MapReduce应用程序必须具备“映射”和“缩减”的性质，也就是说任务或作业可以分割为小片段以进行并行处理。

MapReduce applications must have the characteristic of "Map" and "Reduce," meaning that the task or job can be divided into smaller pieces to be processed in parallel.

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取得套用此复写作业的磁碟分割名称。

Gets the name of the partition to which this replication operation was applied.

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