How to set the number of mappers to be created in MapReduce?
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List out Hadoop's three configuration files?
Is it mandatory to set input and output type/format in MapReduce?
How many Mappers run for a MapReduce job?
Explain the general mapreduce algorithm
What are the various InputFormats in Hadoop?
What is a MapReduce Combiner?
What is the fundamental difference between a MapReduce InputSplit and HDFS block?
What is identity mapper and chain mapper?
What is KeyValueTextInputFormat in Hadoop MapReduce?
Where sorting is done in Hadoop MapReduce Job?
what is distributed cache in mapreduce framework?
What are the configuration parameters in the 'MapReduce' program?
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