Explain the features of Apache Spark because of which it is superior to Apache MapReduce?
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What are ‘reduces’?
What are the four essential parameters of a mapper?
What happens when a DataNode fails during the write process?
Can MapReduce program be written in any language other than Java?
What do you understand by mapreduce?
What do you understand by the term Straggler ?
A number of combiners can be changed or not in MapReduce?
What is a distributed cache in mapreduce framework?
What is a combiner and where you should use it?
In MapReduce how to change the name of the output file from part-r-00000?
Describe what happens to a mapreduce job from submission to output?
how indexing in HDFS is done?
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