Developing a MapReduce Application?
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What is Hadoop Map Reduce ?
In Map Reduce why map write output to Local Disk instead of HDFS?
What happens when a datanode fails ?
what is Speculative Execution?
What is the InputSplit in map reduce ?
Describe what happens to a mapreduce job from submission to output?
List out Hadoop's three configuration files?
What are the configuration parameters in the 'MapReduce' program?
What is the difference between Job and Task in MapReduce?
Explain what are the basic parameters of a mapper?
Define the purpose of the partition function in mapreduce framework
Define speculative execution?
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