Is reduce-only job possible in Hadoop MapReduce?
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What do you mean by data locality?
Is it mandatory to set input and output type/format in MapReduce?
Explain combiners.
What is the difference between Job and Task in MapReduce?
List the configuration parameters that have to be specified when running a MapReduce job.
Is it possible to rename the output file?
What is a map side join?
Explain what you understand by speculative execution
Define Writable data types in Hadoop MapReduce?
What is a Distributed Cache in Hadoop?
When is it not recommended to use MapReduce paradigm for large
What are ‘reduces’?