What do you mean by inputformat?
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In Hadoop, which file controls reporting in Hadoop?
What are the the issues associated with the map and reduce slots based mechanism in mapReduce?
What is the sequence of execution of Mapper, Combiner, and Partitioner in MapReduce?
Explain the process of spilling in Hadoop MapReduce?
What is Distributed Cache in the MapReduce Framework?
What is map/reduce job in hadoop?
What combiners are and when you should use a combiner in a mapreduce job?
Is it possible to rename the output file?
What is the difference between map and reduce?
How to handle record boundaries in Text files or Sequence files in MapReduce InputSplits?
List the network requirements for using Hadoop ?
Can you tell us how many daemon processes run on a hadoop system?
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