What is Reducer in MapReduce?
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Write a Mapreduce Program for Character Count ?
Is it possible to search for files using wildcards?
What is the difference between Reducer and Combiner in Hadoop MapReduce?
What is identity mapper and identity reducer?
what does the text input format do?
Can we rename the output file?
Is there any point of learning mapreduce, then?
In Hadoop, which file controls reporting in Hadoop?
How to change the name of the output file from part-r-00000 in Hadoop MapReduce?
What are the four essential parameters of a mapper?
Why can aggregation not be done in Mapper in MapReduce?
What are the steps involved in MapReduce framework?
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