Define MapReduce?
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More MapReduce Interview Questions
Can you tell us how many daemon processes run on a hadoop system?
What can be optimum value for Reducer?
Why can aggregation not be done in Mapper in MapReduce?
What are the advantages of using mapreduce with hadoop?
What do you know about nlineinputformat?
For a Hadoop job, how will you write a custom partitioner?
List the configuration parameters that have to be specified when running a MapReduce job.
What is a Speculative Execution in Hadoop MapReduce?
What is Counter in MapReduce?
What are the identity mapper and reducer in MapReduce?
Explain the general mapreduce algorithm
How to set mappers and reducers for MapReduce jobs?
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