What is the function of mapreduce partitioner?
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More MapReduce Interview Questions
What combiners are and when you should utilize a combiner in a map reduce job?
How to optimize Hadoop MapReduce Job?
How many Reducers run for a MapReduce job in Hadoop?
Explain task granularity
What is the InputSplit in map reduce ?
Where is the output of Mapper written in Hadoop?
How does inputsplit in mapreduce determines the record boundaries correctly?
what is JobTracker in Hadoop? What are the actions followed by Hadoop?
Differentiate Reducer and Combiner in Hadoop MapReduce?
What is a map side join?
Explain combiners.
What is a RecordReader in Hadoop MapReduce?
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