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How to optimize Hadoop MapReduce Job?
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Which Sorting algorithm is used in Hadoop MapReduce?
When the reducers are are started in a mapreduce job?
What is OutputCommitter?
What does conf.setmapper class do?
What is the problem with the small file in Hadoop?
What are the fundamental configurations parameters specified in map reduce?
Explain the general mapreduce algorithm
what are the main configuration parameters that user need to specify to run Mapreduce Job ?
How to submit extra files(jars, static files) for MapReduce job during runtime?
Different ways of debugging a job in MapReduce?
what daemons run on a master node and slave nodes?
Clarify what combiners are and when you should utilize a combiner in a map reduce job?
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