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What is a RecordReader in Hadoop MapReduce?
What are the fundamental configurations parameters specified in map reduce?
What is a TaskInstance?
What is Output Format in MapReduce?
Why do we need MapReduce during Pig programming?
How to optimize Hadoop MapReduce Job?
How to submit extra files(jars, static files) for MapReduce job during runtime?
what is JobTracker in Hadoop? What are the actions followed by Hadoop?
How can we assure that the values regarding a particular key goes to the same reducer?
Why is output file name in Hadoop MapReduce part-r-00000?
Write a short note on the disadvantages of mapreduce
Mention what are the main configuration parameters that user need to specify to run mapreduce job?
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