Hadoop needs just a few pieces of information to answer my first and second questions: namely, which inputs to process and how to handle map and reduce.
Hadoop只需要几条信息就可以回答我的第一个和第二个问题：即，要处理哪条输入以及如何处理map和reduce。
Hadoop needs just a few pieces of information to answer my first and second questions: namely, which inputs to process and how to handle map and reduce.
Hadoop只需要几条信息就可以回答我的第一个和第二个问题：即，要处理哪条输入以及如何处理map和reduce。
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