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How to get the single file as the output from MapReduce Job?


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More MapReduce Interview Questions

Does Partitioner run in its own JVM or shares with another process?

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Which interface needs to be implemented to create Mapper and Reducer for the Hadoop?

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Explain Working of MapReduce?

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what is a Task Tracker in Hadoop?

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Explain the features of Apache Spark because of which it is superior to Apache MapReduce?

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What is the Hadoop MapReduce API contract for a key and value Class?

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Explain the general mapreduce algorithm

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What are the primary phases of a Reducer?

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How is reporting controlled in hadoop?

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Does mapreduce programming model provide a way for reducers to communicate with each other? In a mapreduce job can a reducer communicate with another reducer?

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What is a RecordReader in Hadoop MapReduce?

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How to change the name of the output file from part-r-00000 in Hadoop MapReduce?

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