What is the Job interface in MapReduce framework?
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What is the difference between Hadoop and RDBMS?
What is a scarce system resource?
What is the difference between HDFS block and input split?
How is reporting controlled in hadoop?
What is the Reducer used for?
What is the key- value pair in Hadoop MapReduce?
Mention Hadoop core components?
Is it necessary to write a mapreduce job in java?
When is it not recommended to use MapReduce paradigm for large
What is the difference between an RDBMS and Hadoop?
What is identity mapper and chain mapper?
Explain about the basic parameters of mapper and reducer function
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