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How many numbers of reducers run in Map-Reduce Job?
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More MapReduce Interview Questions
It can be possible that a Job has 0 reducers?
Explain combiners.
What is Shuffling and Sorting in a MapReduce?
Mention Hadoop core components?
How to set mappers and reducers for MapReduce jobs?
Explain about the partitioning, shuffle and sort phase in MapReduce?
What is the difference between RDBMS with Hadoop MapReduce?
Map reduce jobs take too long. What can be done to improve the performance of the cluster?
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