This requirement may be a carryover from file-oriented batch processing, where it was simple enough to ensure that information came into the process in a predefined sequence.

这个要求可能是由于面向文件的批处理造成的，在此类处理中，确保信息按照预定义的序列进入进程中非常简单。

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A distributed file system like HDFS allows storing static files for batch processing. Effectively a system like this allows storing and processing historical data from the past.

像hdfs分布式文件处理系统，允许存储静态数据用于批处理，能使得系统在处理和分析过往的历史数据时更为有效。

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A file which is a collection of change records used to update a master file in batch processing.

在批处理中，修改主文件的全部修改记录的集合所构成的文件。

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