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今日深度:

hadoop,

hadoop,


一、概述

  what is apache hadoop?

    The apache Hadoop project develops open-source software for reliable, scalable, distributed computing.

  解决问题:

    1、海量数据的存储(HDFS)

    2、海洋数据的分析(MapReduce)

 hadoop具体能干什么?

  1、日志分析;facebook用Hive进行日志分析,yahoo使用hadoop的pig进行垃圾邮件识别和过滤,以及用户特征建模;

  

 

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