How can we assure that the values regarding a particular key goes to the same reducer?
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what are the basic parameters of a Mapper?
What is the Reducer used for?
What is MapReduce in Hadoop?
A number of combiners can be changed or not in MapReduce?
Can MapReduce program be written in any language other than Java?
Why MapReduce uses the key-value pair to process the data?
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Why is output file name in Hadoop MapReduce part-r-00000?
What is heartbeat in hdfs?
What is Text Input Format?
How to set the number of reducers?
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