Define MapReduce?
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More MapReduce Interview Questions
What are mapreduce new and old apis while writing map reduce program?. Explain how it works
Mention what is the hadoop mapreduce apis contract for a key and value class?
what are the basic parameters of a Mapper?
What are the main configuration parameters in a MapReduce program?
Define the Use of MapReduce?
In MapReduce Data Flow, when Combiner is called?
In which kind of scenarios MapReduce jobs will be more useful than PIG in Hadoop?
What is the default value of map and reduce max attempts?
What is heartbeat in hdfs?
How to overwrite an existing output file/dir during execution of Hadoop MapReduce jobs?
What do you mean by inputformat?
What is MapReduce in Hadoop?
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