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Explain the sequence of execution of all the components of MapReduce like a map, reduce, recordReader, split, combiner, partitioner, sort, shuffle.
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what happens in textinformat ?
What is difference between an input split and hdfs block?
How much space will the split occupy in Mapreduce?
How hadoop mapreduce works?
Define speculative execution?
For a job in Hadoop, is it possible to change the number of mappers to be created?
How can you add the arbitrary key-value pairs in your mapper?
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What is the difference between RDBMS with Hadoop MapReduce?
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