What is LazyOutputFormat in MapReduce?
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What is Mapper in Hadoop MapReduce?
Explain what is shuffling in mapreduce?
what is NameNode in Hadoop?
What is the Reducer used for?
In Map Reduce why map write output to Local Disk instead of HDFS?
How to specify more than one directory as input in the Hadoop MapReduce Program?
Explain the general mapreduce algorithm
What is a map side join?
what is a Task Tracker in Hadoop?
Developing a MapReduce Application?
When is it not recommended to use MapReduce paradigm for large
Explain job scheduling through JobTracker