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What are advantages of Spark over MapReduce?
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What is difference between an input split and hdfs block?
What is the key- value pair in MapReduce?
What is the need of key-value pair to process the data in MapReduce?
What is Output Format in MapReduce?
What are mapreduce new and old apis while writing map reduce program?. Explain how it works
What is the function of mapreducer partitioner?
Explain the process of spilling in MapReduce?
How much space will the split occupy in Mapreduce?
What is the job of blend () and repartition () in Map Reduce?
Where sorting is done on mapper node or reducer node in MapReduce?
What is Text Input Format?
what are the three modes in which Hadoop can be run?
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