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What are the advantages of using mapreduce with hadoop?
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What are the fundamental configurations parameters specified in map reduce?
How to create custom key and custom value in MapReduce Job?
What are the configuration parameters in the 'MapReduce' program?
How to specify more than one directory as input to the MapReduce Job?
What are the various input and output types supported by mapreduce?
Explain the general mapreduce algorithm
What is reduce side join in mapreduce?
Is it legal to set the number of reducer task to zero? Where the output will be stored in this case?
Is it possible to search for files using wildcards?
What happens when a DataNode fails during the write process?
What is the problem with the small file in Hadoop?
what are the main configuration parameters that user need to specify to run Mapreduce Job ?
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