How do Hadoop MapReduce works?
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What is the relationship between Job and Task in Hadoop?
What are the fundamental configurations parameters specified in map reduce?
Can MapReduce program be written in any language other than Java?
Define speculative execution?
Different ways of debugging a job in MapReduce?
what are the basic parameters of a Mapper?
How to set the number of reducers?
Mention what are the main configuration parameters that user need to specify to run mapreduce job?
What is the default input type in MapReduce?
Write a Mapreduce Program for Character Count ?
What is reduce side join in mapreduce?
What is the difference between Hadoop and RDBMS?
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