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What is Data Locality in Hadoop?
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Explain the features of Apache Spark because of which it is superior to Apache MapReduce?
Where sorting is done in Hadoop MapReduce Job?
Mention Hadoop core components?
Why do we need MapReduce during Pig programming?
How to create custom key and custom value in MapReduce Job?
Describe what happens to a mapreduce job from submission to output?
what is Speculative Execution?
What is the sequence of execution of Mapper, Combiner, and Partitioner in MapReduce?
How to submit extra files(jars,static files) for MapReduce job during runtime in Hadoop?
Why comparison of types is important for MapReduce?
What is Shuffling and Sorting in a MapReduce?
What are the various input and output types supported by mapreduce?
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