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Is it legal to set the number of reducer task to zero? Where the output will be stored in this case?


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More MapReduce Interview Questions

what happens in textinformat ?

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

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What are the main components of MapReduce Job?

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A number of combiners can be changed or not in MapReduce?

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How many times combiner is called on a mapper node in Hadoop?

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What is MapReduce?

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Mention what is the hadoop mapreduce apis contract for a key and value class?

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What is LazyOutputFormat in MapReduce?

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what daemons run on a master node and slave nodes?

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Explain the input type/format in mapreduce by default?

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What is sqoop in Hadoop ?

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Why can aggregation not be done in Mapper in MapReduce?

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