When should you use sequencefileinputformat?
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What does a split do?
What is the difference between Job and Task in MapReduce?
What are the data components used by Hadoop?
what does the text input format do?
Explain the Reducer's Sort phase?
What are the advantages of using mapreduce with hadoop?
Where is the output of Mapper written in Hadoop?
What are the four essential parameters of a mapper?
Can you tell us how many daemon processes run on a hadoop system?
Detail description of the Reducer phases?
What is the difference between Hadoop and RDBMS?
What is the function of mapreduce partitioner?
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