What is the key- value pair in MapReduce?
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Detail description of the Reducer phases?
Describe what happens to a mapreduce job from submission to output?
What is LazyOutputFormat in MapReduce?
What are the main configuration parameters in a MapReduce program?
what is distributed cache in mapreduce framework?
Why Mapreduce output written in local disk?
What is the key- value pair in Hadoop MapReduce?
Is it important for Hadoop MapReduce jobs to be written in Java?
Why is output file name in Hadoop MapReduce part-r-00000?
What is SequenceFileInputFormat in Hadoop MapReduce?
What is the difference between Hadoop and RDBMS?
Is there any point of learning mapreduce, then?
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