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日期:2024-07-13
Reducing is often used to produce "summary" data, turning a large volume of data into a smaller summary of itself. For example, "+" can be used as a reducing function, to return the sum of a list of input values. Putting Them Together in MapReduce: The Ha...
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日期:2024-07-08
Introduction to Apache Hadoop MapReduce by Arun C. Murthy, co-founder of Hortonworks and current VP, Apache Hadoop for the Apache Software Foundation. Includes an overview of MapReduce functionality including a walk-through of how MapReduce can be used to...
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日期:2024-07-12
行動版 - 2014年5月9日 - An introduction to MapReduce programming model, starting from the WordCount ......
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日期:2024-07-08
The most common example of mapreduce is for counting the number of times words occur in a corpus....
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日期:2024-07-15
行動版 - 2012年9月11日 - few days back I had to explain Map/Reduce to one of my ... I think Finding Friends via ......
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日期:2024-07-12
The MapReduce examples are located in hadoop-[VERSION]/share/hadoop/ mapreduce . Depending on ......
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日期:2024-07-12
行動版 - 2011年4月29日 - Word count is a typical example where Hadoop map reduce developers start their ......