What is SequenceFileInputFormat in Hadoop MapReduce?
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what happens in textinformat ?
Explain what is distributed cache in mapreduce framework?
How to change a number of mappers running on a slave in MapReduce?
How to change the name of the output file from part-r-00000 in Hadoop MapReduce?
Where sorting is done on mapper node or reducer node in MapReduce?
What happens if the quantity of the reducer is 0 in mapreduce?
What is shuffling and sorting in Hadoop MapReduce?
Explain what combiners are and when you should use a combiner in a mapreduce job?
Explain what does the conf.setmapper class do?
What is the difference between HDFS block and input split?
A number of combiners can be changed or not in MapReduce?
What is the Hadoop MapReduce API contract for a key and value Class?
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