What is Data Locality in Hadoop?
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More MapReduce Interview Questions
What are the advantages of using map side join in mapreduce?
What is a IdentityMapper and IdentityReducer in MapReduce ?
How do reducers communicate with each other?
What is identity mapper and identity reducer?
What is a TaskInstance?
What are the various input and output types supported by mapreduce?
how JobTracker schedules a task ?
What is a Distributed Cache in Hadoop?
what is a Task Tracker in Hadoop?
What are the data components used by Hadoop?
what is JobTracker in Hadoop? What are the actions followed by Hadoop?
mapper or reducer?
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