What are ‘maps’ and ‘reduces’?
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What is a Distributed Cache in Hadoop?
What is optimal size of a file for distributed cache?
Illustrate a simple example of the working of MapReduce.
How is reporting controlled in hadoop?
Is YARN a replacement of Hadoop MapReduce?
What is a scarce system resource?
How many Reducers run for a MapReduce job in Hadoop?
What does conf.setmapper class do?
What is difference between an input split and hdfs block?
What is the role of a MapReduce partitioner?
In MapReduce how to change the name of the output file from part-r-00000?
Is it possible to split 100 lines of input as a single split in MapReduce?
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