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What is the difference between an RDBMS and Hadoop?
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What is the input type/format in MapReduce by default?
What are the key differences between Pig vs MapReduce?
How to set mappers and reducers for Hadoop jobs?
Compare Pig vs Hive vs Hadoop MapReduce?
What is the inputsplit in map reduce software?
What are the configuration parameters in the 'MapReduce' program?
What do you mean by data locality?
Explain the sequence of execution of all the components of MapReduce like a map, reduce, recordReader, split, combiner, partitioner, sort, shuffle.
What is the difference between a MapReduce InputSplit and HDFS block?
What are ‘reduces’?
What is the default input type in MapReduce?
In MapReduce Data Flow, when Combiner is called?
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