What is map/reduce job in hadoop?
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What is partitioner and its usage?
what job does the conf class do?
What is a MapReduce Combiner?
What is sqoop in Hadoop ?
Explain what is the function of mapreduce partitioner?
What happens when the node running the map task fails before the map output has been sent to the reducer?
what is JobTracker in Hadoop? What are the actions followed by Hadoop?
what are the main configuration parameters that user need to specify to run Mapreduce Job ?
Is it possible to rename the output file?
Explain JobConf in MapReduce.
what is "map" and what is "reducer" in Hadoop?
What is mapreduce algorithm?