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mapper or reducer?
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how Hadoop is different from other data processing tools?
What do you know about nlineinputformat?
What are the configuration parameters in the 'MapReduce' program?
Explain what are the basic parameters of a mapper?
Can MapReduce program be written in any language other than Java?
Clarify what combiners are and when you should utilize a combiner in a map reduce job?
What are the various InputFormats in Hadoop?
What do you mean by inputformat?
Mention what are the main configuration parameters that user need to specify to run mapreduce job?
What do you understand by the term Straggler ?
How many numbers of reducers run in Map-Reduce Job?
What is the difference between Reducer and Combiner in Hadoop MapReduce?
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