What is the function of mapreduce partitioner?
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How is Spark not quite the same as MapReduce? Is Spark quicker than MapReduce?
Explain what is distributed cache in mapreduce framework?
What is the difference between Hadoop and RDBMS?
How do you stop a running job gracefully?
How many Reducers run for a MapReduce job in Hadoop?
How to optimize MapReduce Job?
How many times combiner is called on a mapper node in Hadoop?
What does a split do?
What is a map side join?
Can we set the number of reducers to zero in MapReduce?
Can MapReduce program be written in any language other than Java?
How does Mappers run method works?
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