What is MapReduce? What are the syntax you use to run a MapReduce program?
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What is SequenceFileInputFormat?
How to submit extra files(jars, static files) for MapReduce job during runtime?
How to specify more than one directory as input to the MapReduce Job?
Is it possible to rename the output file?
how JobTracker schedules a task ?
what is the Hadoop MapReduce APIs contract for a key and value class?
What is optimal size of a file for distributed cache?
With the help of two examples name the map and reduce function purpose
What is the next step after Mapper or MapTask?
Where is the output of Mapper written in Hadoop?
what is NameNode in Hadoop?
Explain the sequence of execution of all the components of MapReduce like a map, reduce, recordReader, split, combiner, partitioner, sort, shuffle.
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