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What are the four basic parameters of a reducer?
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What is optimal size of a file for distributed cache?
Does mapreduce programming model provide a way for reducers to communicate with each other? In a mapreduce job can a reducer communicate with another reducer?
Is it possible to rename the output file?
How does Hadoop Classpath plays a vital role in stopping or starting in Hadoop daemons?
Clarify what combiners are and when you should utilize a combiner in a map reduce job?
How much space will the split occupy in Mapreduce?
Define the Use of MapReduce?
Explain the input type/format in mapreduce by default?
What are the fundamental configurations parameters specified in map reduce?
When is it not recommended to use MapReduce paradigm for large
What is map/reduce job in hadoop?
Explain what are the basic parameters of a mapper?
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