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What is difference between an input split and hdfs block?
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More MapReduce Interview Questions
What do you understand by mapreduce?
How to handle record boundaries in Text files or Sequence files in MapReduce InputSplits?
Where is the output of Mapper written in Hadoop?
Explain what are the basic parameters of a mapper?
when do reducers play their role in a mapreduce task?
Explain the input type/format in mapreduce by default?
Mention when to use Map reduce mode?
What is the need of MapReduce in Hadoop?
What do sorting and shuffling do?
What is Data Locality in Hadoop?
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What is the job of blend () and repartition () in Map Reduce?
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