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Is it necessary to write a mapreduce job in java?
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More MapReduce Interview Questions
What is the difference between Reducer and Combiner in Hadoop MapReduce?
Can there be no Reducer?
Where is the output of Mapper written in Hadoop?
what is storage and compute nodes?
What are ‘maps’ and ‘reduces’?
How many numbers of reducers run in Map-Reduce Job?
How does fault tolerance work in mapreduce?
Different ways of debugging a job in MapReduce?
What is a scarce system resource?
What happens when a DataNode fails during the write process?
What is a partitioner and how the user can control which key will go to which reducer?
What is a "reducer" in Hadoop?
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