Can we rename the output file?
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How to set the number of reducers?
What is reduce side join in mapreduce?
With the help of two examples name the map and reduce function purpose
A number of combiners can be changed or not in MapReduce?
How to create custom key and custom value in MapReduce Job?
What is the difference between HDFS block and input split?
What is the process of changing the split size if there is limited storage space on Commodity Hardware?
What is the fundamental difference between a MapReduce Split and a HDFS block?scale data processing?
Explain what does the conf.setMapper Class do in MapReduce?
What are the advantages of using mapreduce with hadoop?
Which are the methods in the mapper interface?
How does inputsplit in mapreduce determines the record boundaries correctly?
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