Is it important for Hadoop MapReduce jobs to be written in Java?
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What is MapReduce in Hadoop?
Compare RDBMS with Hadoop MapReduce.
When is it not recommended to use MapReduce paradigm for large
Where is Mapper output stored?
Explain what are the basic parameters of a mapper?
How to create custom key and custom value in MapReduce Job?
Explain the Reducer's reduce phase?
What is the sequence of execution of map, reduce, recordreader, split, combiner, partitioner?
What is the difference between a MapReduce InputSplit and HDFS block?
What is the InputSplit in map reduce ?
What are the data components used by Hadoop?
What is the difference between RDBMS with Hadoop MapReduce?
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