How to set which framework would be used to run mapreduce program?
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List out Hadoop's three configuration files?
With the help of two examples name the map and reduce function purpose
how can you check whether Namenode is working beside using the jps command?
What are advantages of Spark over MapReduce?
For a job in Hadoop, is it possible to change the number of mappers to be created?
How will you submit extra files or data ( like jars, static files, etc. ) For a mapreduce job during runtime?
What happens when a DataNode fails during the write process?
How to specify more than one directory as input to the MapReduce Job?
What is a "map" in Hadoop?
What are the benefits of Spark over MapReduce?
Which are the methods in the mapper interface?
How to write MapReduce Programs?
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