Explain the process of spilling in Hadoop MapReduce?
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What is difference between an input split and hdfs block?
What are the advantages of using mapreduce with hadoop?
What are advantages of Spark over MapReduce?
What are the fundamental configurations parameters specified in map reduce?
What combiners are and when you should use a combiner in a mapreduce job?
what happens when Hadoop spawned 50 tasks for a job and one of the task failed?
Explain what is distributed cache in mapreduce framework?
Can we rename the output file?
What is the Reducer used for?
What is the role of recordreader in hadoop mapreduce?
what is NameNode in Hadoop?
What happen if the number of the reducer is 0 in MapReduce?
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