Can we rename the output file?
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Which are the methods in the mapper interface?
What is the difference between RDBMS with Hadoop MapReduce?
What is the next step after Mapper or MapTask?
Mention when to use Map reduce mode?
Explain what are the basic parameters of a mapper?
What are the benefits of Spark over MapReduce?
Explain what is “map” and what is "reducer" in hadoop?
What is mapreduce algorithm?
What are the fundamental configurations parameters specified in map reduce?
When Namenode is down what happens to job tracker?
What are ‘reduces’?
How can you add the arbitrary key-value pairs in your mapper?
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