What is map/reduce job in hadoop?


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More MapReduce Interview Questions

What is partitioner and its usage?

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what job does the conf class do?

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What is a MapReduce Combiner?

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What is sqoop in Hadoop ?

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Explain what is the function of mapreduce partitioner?

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What happens when the node running the map task fails before the map output has been sent to the reducer?

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what is JobTracker in Hadoop? What are the actions followed by Hadoop?

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what are the main configuration parameters that user need to specify to run Mapreduce Job ?

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Is it possible to rename the output file?

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Explain JobConf in MapReduce.

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what is "map" and what is "reducer" in Hadoop?

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What is mapreduce algorithm?

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