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What are the fundamental configurations parameters specified in map reduce?
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How much space will the split occupy in Mapreduce?
How many numbers of reducers run in Map-Reduce Job?
In which kind of scenarios MapReduce jobs will be more useful than PIG in Hadoop?
what happens when Hadoop spawned 50 tasks for a job and one of the task failed?
What is streaming?
Where is the output of Mapper written in Hadoop?
Clarify what combiners are and when you should utilize a combiner in a map reduce job?
What is a partitioner and how the user can control which key will go to which reducer?
What comes in Hadoop 2.0 and MapReduce V2 YARN
What is RecordReader in a Map Reduce?
How to create a custom key and custom value in MapReduce Job?
What is Reduce only jobs?
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