How much space will the split occupy in Mapreduce?
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What is the data storage component used by Hadoop?
What happen if the number of the reducer is 0 in MapReduce?
What counter in Hadoop MapReduce?
How to specify more than one directory as input to the MapReduce Job?
How to configure the number of the Combiner in MapReduce?
What are ‘maps’ and ‘reduces’?
Mention what is the hadoop mapreduce apis contract for a key and value class?
Is it mandatory to set input and output type/format in MapReduce?
When is it not recommended to use MapReduce paradigm for large scale data processing?
List the configuration parameters that have to be specified when running a MapReduce job.
Where is the output of Mapper written in Hadoop?
How do reducers communicate with each other?
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