How hadoop mapreduce works?


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More MapReduce Interview Questions

What do you understand by mapreduce?

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What is a "reducer" in Hadoop?

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What is the InputSplit in map reduce ?

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What is the purpose of textinputformat?

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What do you know about nlineinputformat?

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Explain task granularity

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What is the fundamental difference between a MapReduce InputSplit and HDFS block?

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What is SequenceFileInputFormat in Hadoop MapReduce?

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How does inputsplit in mapreduce determines the record boundaries correctly?

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What are advantages of Spark over MapReduce?

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How to compress mapper output in Hadoop?

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What are the disservices of utilizing Apache Spark over Hadoop MapReduce?

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