What is the function of mapreduce partitioner?
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How to specify more than one directory as input in the Hadoop MapReduce Program?
Does mapreduce programming model provide a way for reducers to communicate with each other? In a mapreduce job can a reducer communicate with another reducer?
What do you understand by compute and storage nodes?
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Explain the features of Apache Spark because of which it is superior to Apache MapReduce?
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