How to set the number of mappers to be created in MapReduce?
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What is the fundamental difference between a MapReduce Split and a HDFS block?scale data processing?
What is a mapreduce algorithm?
How to set the number of mappers for a MapReduce job?
Explain what is distributed cache in mapreduce framework?
Explain what combiners are and when you should use a combiner in a mapreduce job?
What is a scarce system resource?
What can be optimum value for Reducer?
How many Mappers run for a MapReduce job in Hadoop?
In MapReduce, ideally how many mappers should be configured on a slave?
What are the four basic parameters of a reducer?
mapper or reducer?
What is mapper in map reduce?
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