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  1. Categories >> Software >> Big Data >> Hadoop >> MapReduce
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What is the difference between map and reduce?

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More MapReduce Interview Questions

What are combiners? When should I use a combiner in my MapReduce Job?

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What is the data storage component used by Hadoop?

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what is NameNode in Hadoop?

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How many InputSplits is made by a Hadoop Framework?

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Explain the difference between a MapReduce InputSplit and HDFS block?

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What is shuffling in mapreduce?

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What are the data components used by Hadoop?

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What main configuration parameters are specified in mapreduce?

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List the network requirements for using Hadoop ?

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Where is the output of Mapper written in Hadoop?

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What are ‘maps’ and ‘reduces’?

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What Are Good Use Cases For Impala As Opposed To Hive Or MapReduce?

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