Why MapReduce uses the key-value pair to process the data?


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More MapReduce Interview Questions

When is it not recommended to use MapReduce paradigm for large

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What is the best way to copy files between HDFS clusters?

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Developing a MapReduce Application?

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What are the fundamental configurations parameters specified in map reduce?

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

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Is it necessary to write a mapreduce job in java?

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Write a Mapreduce Program for Character Count ?

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What is MapReduce?

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How to handle record boundaries in Text files or Sequence files in MapReduce InputSplits?

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Why is Apache Spark faster than Hadoop MapReduce?

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What is a IdentityMapper and IdentityReducer in MapReduce ?

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What is the difference between Reducer and Combiner in Hadoop MapReduce?

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