How to set the number of mappers for a MapReduce job?


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More MapReduce Interview Questions

How do you stop a running job gracefully?

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

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How to change the name of the output file from part-r-00000 in Hadoop MapReduce?

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Mention what are the main configuration parameters that user need to specify to run mapreduce job?

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What combiners are and when you should utilize a combiner in a map reduce job?

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Explain the process of spilling in Hadoop MapReduce?

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How to sort intermediate output based on values in MapReduce?

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what is "map" and what is "reducer" in Hadoop?

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What does a 'MapReduce Partitioner' do?

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How does fault tolerance work in mapreduce?

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Is it important for Hadoop MapReduce jobs to be written in Java?

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What is a scarce system resource?

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