What are the various configuration parameters required to run a mapreduce job?
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For a Hadoop job, how will you write a custom partitioner?
Why Mapper runs in heavy weight process and not in a thread in MapReduce?
What do you mean by data locality?
What is the role of recordreader in hadoop mapreduce?
What is the default value of map and reduce max attempts?
What is a mapreduce algorithm?
What does conf.setmapper class do?
What is identity mapper and chain mapper?
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Is it possible to split 100 lines of input as a single split in MapReduce?
How many Reducers run for a MapReduce job in Hadoop?
What is KeyValueTextInputFormat in Hadoop MapReduce?
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