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What does a split do?
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More MapReduce Interview Questions
Mention what are the main configuration parameters that user need to specify to run mapreduce job?
It can be possible that a Job has 0 reducers?
What MapReduce framework consists of?
Can you tell us how many daemon processes run on a hadoop system?
What do you understand by mapreduce?
How do Hadoop MapReduce works?
Is it important for Hadoop MapReduce jobs to be written in Java?
What is reduce side join in mapreduce?
Why can aggregation not be done in Mapper in MapReduce?
How do reducers communicate with each other?
What is the role of recordreader in hadoop mapreduce?
How to write MapReduce Programs?
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