但一些更加朴素的应用程序也应该记住：索引、分析、摘要、比较或者成批处理文档都是常常遇到的任务。
But somewhat more modest applications are worth keeping in mind, too: Indexing, analyzing, summarizing, comparing, or otherwise batch processing documents are also tasks that are frequently useful.
批处理（时间敏感的东西，比如 genetics DB 分析、类似工作流的工作负载、类似 Hadoop 的工作负载等）
Batch processing (time-insensitive stuff like genetics DB analysis, workflow-like workloads, Hadoop-like workloads, etc.)
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。
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.
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