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Why do we need MapReduce during Pig programming?
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More MapReduce Interview Questions
What is SequenceFileInputFormat in Hadoop MapReduce?
How many times combiner is called on a mapper node in Hadoop?
what happens when Hadoop spawned 50 tasks for a job and one of the task failed?
What is the default value of map and reduce max attempts?
Where is Mapper output stored?
What is a scarce system resource?
What is partitioning in MapReduce?
Explain the general mapreduce algorithm
What is a combiner and where you should use it?
Detail description of the Reducer phases?
What is the Reducer used for?
Where sorting is done on mapper node or reducer node in MapReduce?
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