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What is map/reduce job in hadoop?
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Is it possible to search for files using wildcards?
In MapReduce how to change the name of the output file from part-r-00000?
What is the data storage component used by Hadoop?
What happens if the quantity of the reducer is 0 in mapreduce?
What combiners are and when you should use a combiner in a mapreduce job?
When is it not recommended to use MapReduce paradigm for large scale data processing?
How many Reducers run for a MapReduce job?
What is the fundamental difference between a MapReduce Split and a HDFS block?scale data processing?
What is a MapReduce Combiner?
What are the main components of MapReduce Job?
What do you mean by data locality?
Explain what is shuffling in mapreduce?
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