What is the default input type in MapReduce?
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What is the role of a MapReduce partitioner?
What are the data components used by Hadoop?
Map reduce jobs are failing on a cluster that was just restarted. They worked before restart. What could be wrong?
What is OutputCommitter?
What is the purpose of textinputformat?
What do you understand by the term Straggler ?
Where the mapper's intermediate data will be stored?
What is the next step after Mapper or MapTask?
What does a 'MapReduce Partitioner' do?
What happens when the node running the map task fails before the map output has been sent to the reducer?
when do reducers play their role in a mapreduce task?
Why is output file name in Hadoop MapReduce part-r-00000?
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