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MapReduce Interview Questions
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Un-Answered Questions { MapReduce }
What is Distributed Cache in the MapReduce Framework?
What do you mean by data locality?
Can we set the number of reducers to zero in MapReduce?
What does a split do?
How to set the number of reducers?
Mention when to use Map reduce mode?
What is a IdentityMapper and IdentityReducer in MapReduce ?
How to get the single file as the output from MapReduce Job?
How many InputSplits is made by a Hadoop Framework?
What is Combiner in MapReduce?
What are the identity mapper and reducer in MapReduce?
When the reducers are are started in a mapreduce job?
How to sort intermediate output based on values in MapReduce?
What is identity mapper and identity reducer?
In Hadoop, which file controls reporting in Hadoop?
