Explain the general mapreduce algorithm
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What is RecordReader in a Map Reduce?
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What is Hadoop Map Reduce ?
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What is a mapreduce algorithm?
Define speculative execution?
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Explain the process of spilling in Hadoop MapReduce?
mapper or reducer?
What is MapReduce? What are the syntax you use to run a MapReduce program?
Explain JobConf in MapReduce.