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What is the difference between Job and Task in MapReduce?
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If reducers do not start before all mappers finish then why does the progress on mapreduce job shows something like map(50%) reduce(10%)? Why reducers progress percentage is displayed when mapper is not finished yet?
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what are the three modes in which Hadoop can be run?
What combiners are and when you should use a combiner in a mapreduce job?
Why Hadoop MapReduce?
How to write a custom partitioner for a Hadoop MapReduce job?
In Hadoop, which file controls reporting in Hadoop?
How to set which framework would be used to run mapreduce program?
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When is it not recommended to use MapReduce paradigm for large
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