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![Creating own MapReduce word count example - Hortonworks]()
hortonworks.comHi Ted, Thanks for your reply. But could you please let me know how can i use vi to write the Mapreduce code and compile the same in command line. Could you please send the step by step procedure as I am new to hadoop once I will get these basic things th瀏覽：883 -
![BiggData: MapReduce and Hive by example]()
biggdata.blogspot.comI've been trying to execute a join on two tables inside the same database namespace and Hive keeps complaining. I'm using the following format: SELECT namespace.table1.* FROM namespace.table1 JOIN namespace.table2 ON (namespace.table1.field1 ...瀏覽：745
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日期：2025-04-24
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：2025-04-29
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：2025-04-29
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：2025-04-25
The most common example of mapreduce is for counting the number of times words occur in a corpus....
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日期：2025-04-22
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：2025-04-25
The MapReduce examples are located in hadoop-[VERSION]/share/hadoop/ mapreduce . Depending on ......
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日期：2025-04-23
行動版 - 2011年4月29日 - Word count is a typical example where Hadoop map reduce developers start their ......
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