What are the main components of MapReduce Job?
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How is reporting controlled in hadoop?
In which kind of scenarios MapReduce jobs will be more useful than PIG in Hadoop?
Explain what is “map” and what is "reducer" in hadoop?
Why comparison of types is important for MapReduce?
Difference between mapreduce and spark
What are ‘maps’ and ‘reduces’?
What is shuffling in mapreduce?
What is SequenceFileInputFormat?
Which among the two is preferable for the project- Hadoop MapReduce or Apache Spark?
Where sorting is done in Hadoop MapReduce Job?
How to overwrite an existing output file during execution of mapreduce jobs?
How much space will the split occupy in Mapreduce?
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