What are advantages of Spark over MapReduce?
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How can you add the arbitrary key-value pairs in your mapper?
what are the basic parameters of a Mapper?
How many Reducers run for a MapReduce job?
What is the job of blend () and repartition () in Map Reduce?
what are the most common input formats defined in Hadoop?
What is Output Format in MapReduce?
What is Shuffling and Sorting in a MapReduce?
How to submit extra files(jars,static files) for MapReduce job during runtime in Hadoop?
Explain JobConf in MapReduce.
What is the function of mapreducer partitioner?
What is Counter in MapReduce?
what are the three modes in which Hadoop can be run?
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