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


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More MapReduce Interview Questions

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

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How to submit extra files(jars,static files) for MapReduce job during runtime in Hadoop?

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In MapReduce how to change the name of the output file from part-r-00000?

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What is the core of the job in MapReduce framework?

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Explain slot in Hadoop Map-Reduce v1?

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How would you tackle calculating the number of unique visitors for each hour by mining a huge apache log? You can use post processing on the output of the mapreduce job.

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What is MapReduce?

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Which Sorting algorithm is used in Hadoop MapReduce?

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Explain the general mapreduce algorithm

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What are mapreduce new and old apis while writing map reduce program?. Explain how it works

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Define the Use of MapReduce?

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How does Mappers run method works?

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