What is the inputsplit in map reduce software?
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Explain what does the conf.setmapper class do?
What is LazyOutputFormat in MapReduce?
In Hadoop, which file controls reporting in Hadoop?
What do sorting and shuffling do?
What is Reduce only jobs?
Explain about the partitioning, shuffle and sort phase in MapReduce?
What do you mean by shuffling and sorting in MapReduce?
Detail description of the Reducer phases?
How to get the single file as the output from MapReduce Job?
In which kind of scenarios MapReduce jobs will be more useful than PIG in Hadoop?
How to set the number of mappers to be created in MapReduce?
How to compress mapper output in Hadoop?
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