What does conf.setmapper class do?


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More MapReduce Interview Questions

How many Reducers run for a MapReduce job?

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

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what are the three modes in which Hadoop can be run?

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Write a short note on the disadvantages of mapreduce

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Is it mandatory to set input and output type/format in MapReduce?

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What are the main configuration parameters in a MapReduce program?

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What is the difference between Hadoop and RDBMS?

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Different ways of debugging a job in MapReduce?

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

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What is a "map" in Hadoop?

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what daemons run on a master node and slave nodes?

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What is the difference between Job and Task in MapReduce?

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