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What are the benefits of Spark over MapReduce?
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Mention what is the hadoop mapreduce apis contract for a key and value class?
what does the text input format do?
Can there be no Reducer?
Explain JobConf in MapReduce.
Can we set the number of reducers to zero in MapReduce?
Explain the features of Apache Spark because of which it is superior to Apache MapReduce?
What is the sequence of execution of map, reduce, recordreader, split, combiner, partitioner?
What is the role of a MapReduce partitioner?
What is the data storage component used by Hadoop?
What is the relationship between Job and Task in Hadoop?
Define the purpose of the partition function in mapreduce framework
How to change the name of the output file from part-r-00000 in Hadoop MapReduce?
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