What are ‘reduces’?
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How does fault tolerance work in mapreduce?
What is the next step after Mapper or MapTask?
How to change a number of mappers running on a slave in MapReduce?
Is Mapreduce Required For Impala? Will Impala Continue To Work As Expected If Mapreduce Is Stopped?
What is the function of mapreducer partitioner?
What can be optimum value for Reducer?
What are ‘maps’ and ‘reduces’?
What is the use of InputFormat in MapReduce process?
What counter in Hadoop MapReduce?
What is map/reduce job in hadoop?
Why can aggregation not be done in Mapper in MapReduce?
Explain what does the conf.setMapper Class do in MapReduce?
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