How to sort intermediate output based on values in MapReduce?
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Explain how do ‘map’ and ‘reduce’ work?
What are the various configuration parameters required to run a mapreduce job?
What is Output Format in MapReduce?
What is heartbeat in hdfs?
Describe what happens to a mapreduce job from submission to output?
It can be possible that a Job has 0 reducers?
how JobTracker schedules a task ?
What is the next step after Mapper or MapTask?
What is Hadoop Map Reduce ?
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What is the default input type in MapReduce?
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