What is the function of mapreduce partitioner?
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How do you stop a running job gracefully?
Developing a MapReduce Application?
What is optimal size of a file for distributed cache?
Map reduce jobs take too long. What can be done to improve the performance of the cluster?
How is reporting controlled in hadoop?
Clarify what is shuffling in map reduce?
how to proceed to write your first mapreducer program?
What is a MapReduce Combiner?
What is a TaskInstance?
What platform and Java version is required to run Hadoop?
How does Hadoop Classpath plays a vital role in stopping or starting in Hadoop daemons?
What is InputFormat in Hadoop MapReduce?
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