What is KeyValueTextInputFormat in Hadoop MapReduce?
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What is shuffleing in mapreduce?
How is Spark not quite the same as MapReduce? Is Spark quicker than MapReduce?
What are ‘reduces’?
Can there be no Reducer?
What is the function of mapreducer partitioner?
Explain how do ‘map’ and ‘reduce’ work?
Explain JobConf in MapReduce.
How to optimize MapReduce Job?
what does the text input format do?
Where the mapper's intermediate data will be stored?
what job does the conf class do?
Explain how mapreduce works.
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