Developing a MapReduce Application?
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How many Mappers run for a MapReduce job?
How to sort intermediate output based on values in MapReduce?
How to set which framework would be used to run mapreduce program?
What is the difference between a MapReduce InputSplit and HDFS block?
How to specify more than one directory as input to the MapReduce Job?
How to set the number of mappers to be created in MapReduce?
Mention Hadoop core components?
How will you submit extra files or data ( like jars, static files, etc. ) For a mapreduce job during runtime?
How many Reducers run for a MapReduce job?
how can you check whether Namenode is working beside using the jps command?
Explain combiners.
Define speculative execution?
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