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When is it not recommended to use MapReduce paradigm for large
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How will you submit extra files or data ( like jars, static files, etc. ) For a mapreduce job during runtime?
Define MapReduce?
Explain task granularity
A number of combiners can be changed or not in MapReduce?
how Hadoop is different from other data processing tools?
Can we submit the mapreduce job from slave node?
Which are the methods in the mapper interface?
What are advantages of Spark over MapReduce?
Can we set the number of reducers to zero in MapReduce?
In mapreduce what is a scarce system resource? Explain?
When is the reducers are started in a MapReduce job?
what is JobTracker in Hadoop? What are the actions followed by Hadoop?
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