what job does the conf class do?
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What comes in Hadoop 2.0 and MapReduce V2 YARN
What is the difference between RDBMS with Hadoop MapReduce?
What is the difference between Job and Task in MapReduce?
Mention what are the main configuration parameters that user need to specify to run mapreduce job?
When is it suggested to use a combiner in a MapReduce job?
Explain what combiners are and when you should use a combiner in a mapreduce job?
What is shuffleing in mapreduce?
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Why the output of map tasks are stored (spilled ) into local disc and not in hdfs?
What is shuffling in mapreduce?
Explain what is shuffling in mapreduce?
How does inputsplit in mapreduce determines the record boundaries correctly?