How to create custom key and custom value in MapReduce Job?
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List the configuration parameters that have to be specified when running a MapReduce job.
What is the key- value pair in Hadoop MapReduce?
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How to overwrite an existing output file during execution of mapreduce jobs?
What is mapper in map reduce?
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what are the most common input formats defined in Hadoop?
What is Hadoop Map Reduce ?
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what are the three modes in which Hadoop can be run?
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