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In which kind of scenarios MapReduce jobs will be more useful than PIG in Hadoop?


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More MapReduce Interview Questions

What is the difference between Job and Task in MapReduce?

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Define the Use of MapReduce?

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How many Mappers run for a MapReduce job?

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Explain what combiners are and when you should use a combiner in a mapreduce job?

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

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What are the various InputFormats in Hadoop?

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How do you stop a running job gracefully?

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How do ‘map’ and ‘reduce’ work?

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What are the four basic parameters of a reducer?

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Explain what does the conf.setmapper class do?

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What is the InputSplit in map reduce ?

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What is identity mapper and reducer? In which cases can we use them?

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