Why is Apache Spark faster than Hadoop MapReduce?
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How does fault tolerance work in mapreduce?
How to change a number of mappers running on a slave in MapReduce?
How is reporting controlled in hadoop?
Explain what you understand by speculative execution
How many numbers of reducers run in Map-Reduce Job?
What happens if the quantity of the reducer is 0 in mapreduce?
What is shuffling and sorting in mapreduce?
Differentiate Reducer and Combiner in Hadoop MapReduce?
what is "map" and what is "reducer" in Hadoop?
What is the relationship between Job and Task in Hadoop?
What is the job of blend () and repartition () in Map Reduce?
Illustrate a simple example of the working of MapReduce.
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