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How many numbers of reducers run in Map-Reduce Job?
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More MapReduce Interview Questions
What is the fundamental difference between a MapReduce InputSplit and HDFS block?
List out Hadoop's three configuration files?
What is identity mapper and identity reducer?
How many times combiner is called on a mapper node in Hadoop?
For a Hadoop job, how will you write a custom partitioner?
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Compare RDBMS with Hadoop MapReduce.
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