Describe what happens to a mapreduce job from submission to output?
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What is shuffleing in mapreduce?
How to write MapReduce Programs?
What are the various InputFormats in Hadoop?
What is KeyValueTextInputFormat in Hadoop MapReduce?
what does the conf.setMapper Class do ?
Explain what you understand by speculative execution
What is MapReduce? What are the syntax you use to run a MapReduce program?
What are the various configuration parameters required to run a mapreduce job?
When is it not recommended to use MapReduce paradigm for large scale data processing?
How can we control particular key should go in a specific reducer?
What is the fundamental difference between a MapReduce Split and a HDFS block?scale data processing?
what daemons run on a master node and slave nodes?
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