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List the network requirements for using Hadoop ?
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Explain what you understand by speculative execution
Where the mapper's intermediate data will be stored?
Where sorting is done on mapper node or reducer node in MapReduce?
Explain the general mapreduce algorithm
Explain what does the conf.setMapper Class do in MapReduce?
How will you submit extra files or data ( like jars, static files, etc. ) For a mapreduce job during runtime?
how JobTracker schedules a task ?
What are the various InputFormats in Hadoop?
It can be possible that a Job has 0 reducers?
What do you mean by data locality?
In MapReduce how to change the name of the output file from part-r-00000?
How to set the number of mappers for a MapReduce job?
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