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MapReduce is the distribution system that the Hadoop MapReduce engine uses to distribute work around a cluster by working parallel on smaller data sets. It is useful in a wide range of applications, including distributed pattern-based searching, distributed sorting, web link-graph reversal, term-vec

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2016-05-05 上传 大小:2.18MB
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Optimizing Hadoop for MapReduce_2014.2

讨论如何优化mapreduce job的运行,从各个方面调整参数。

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