How does Mappers run method works?
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how can you check whether Namenode is working beside using the jps command?
Explain the input type/format in mapreduce by default?
What is LazyOutputFormat in MapReduce?
What happen if the number of the reducer is 0 in MapReduce?
How will you submit extra files or data ( like jars, static files, etc. ) For a mapreduce job during runtime?
Explain job scheduling through JobTracker
What is the default input type in MapReduce?
Is it possible to search for files using wildcards?
Is it necessary to write a mapreduce job in java?
What are the primary phases of a Reducer?
Difference between mapreduce and spark
Explain Working of MapReduce?
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