Is it necessary to write a mapreduce job in java?
How to specify more than one directory as input to the MapReduce Job?
Write a Mapreduce Program for Character Count ?
Where the mapper's intermediate data will be stored?
What is a MapReduce Combiner?
Explain what does the conf.setMapper Class do in MapReduce?
What happens if the quantity of the reducer is 0 in mapreduce?
Is it possible to split 100 lines of input as a single split in MapReduce?
What counter in Hadoop MapReduce?
Map reduce jobs take too long. What can be done to improve the performance of the cluster?
What are the fundamental configurations parameters specified in map reduce?
Compare RDBMS with Hadoop MapReduce.
How many times combiner is called on a mapper node in Hadoop?