What is partitioning in MapReduce?


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More MapReduce Interview Questions

Explain task granularity

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Which among the two is preferable for the project- Hadoop MapReduce or Apache Spark?

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what is NameNode in Hadoop?

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Explain Working of MapReduce?

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What is a distributed cache in mapreduce framework?

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What do you know about nlineinputformat?

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For a Hadoop job, how will you write a custom partitioner?

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Whether the output of mapper or output of partitioner written on local disk?

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Mention when to use Map reduce mode?

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Explain what does the conf.setmapper class do?

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Can we set the number of reducers to zero in MapReduce?

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What is sqoop in Hadoop ?

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