What is the fundamental difference between a MapReduce Split and a HDFS block?scale data processing?
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Write a Mapreduce Program for Character Count ?
What is Hadoop Map Reduce ?
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What is the Reducer used for?
How to specify more than one directory as input to the MapReduce Job?
What do you know about nlineinputformat?
Explain Working of MapReduce?
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Is it necessary to write a mapreduce job in java?
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Explain task granularity