What is InputFormat in Hadoop MapReduce?
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what are the main configuration parameters that user need to specify to run Mapreduce Job ?
For a job in Hadoop, is it possible to change the number of mappers to be created?
Define the Use of MapReduce?
what are the basic parameters of a Mapper?
When should you use a reducer?
how to proceed to write your first mapreducer program?
What is a map side join?
What is the default value of map and reduce max attempts?
Can we set the number of reducers to zero in MapReduce?
How much space will the split occupy in Mapreduce?
What is the role of recordreader in hadoop mapreduce?
What is a "reducer" in Hadoop?
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