What is the difference between Job and Task in MapReduce?
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What is the difference between Job and Task in MapReduce?
What are the main configuration parameters in a MapReduce program?
Define speculative execution?
How to optimize MapReduce Job?
Explain task granularity
What is shuffleing in mapreduce?
Explain what does the conf.setmapper class do?
How to write MapReduce Programs?
What is the difference between a MapReduce InputSplit and HDFS block?
What do you understand by mapreduce?
What is an identity mapper and identity reducer?
In which kind of scenarios MapReduce jobs will be more useful than PIG in Hadoop?
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