Is it legal to set the number of reducer task to zero? Where the output will be stored in this case?
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what happens in textinformat ?
How to submit extra files(jars, static files) for MapReduce job during runtime?
What are the main components of MapReduce Job?
A number of combiners can be changed or not in MapReduce?
How many times combiner is called on a mapper node in Hadoop?
What is MapReduce?
Mention what is the hadoop mapreduce apis contract for a key and value class?
What is LazyOutputFormat in MapReduce?
what daemons run on a master node and slave nodes?
Explain the input type/format in mapreduce by default?
What is sqoop in Hadoop ?
Why can aggregation not be done in Mapper in MapReduce?
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