What is Reducer in MapReduce?
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Clarify what combiners are and when you should utilize a combiner in a map reduce job?
How much space will the split occupy in Mapreduce?
List out Hadoop's three configuration files?
Explain slot in Hadoop Map-Reduce v1?
What are advantages of Spark over MapReduce?
What are the the issues associated with the map and reduce slots based mechanism in mapReduce?
Can we rename the output file?
Is it important for Hadoop MapReduce jobs to be written in Java?
Describe what happens to a mapreduce job from submission to output?
What is KeyValueTextInputFormat in Hadoop MapReduce?
What is the use of InputFormat in MapReduce process?
Write a Mapreduce Program for Character Count ?
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