What is the difference between MapRed and MapReduce?

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Why do we have these two in the separate forms? is MapRed different from MapReduce? Can you suggest me any source to clarify my doubt?
Mar 6 in Big Data Hadoop by ravi
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1 answer to this question.

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Firstly, we must learn that these are two separate APIs.

The first one which is MapRed is used in Hadoop version 1 which is 

org.apache.hadoop.mapred 

and the second was used in Hadoop version 2 where YARN was introduced and that version of API was called as MapReduce

org.apache.hadoop.mapreduce

coming into the source you asked for.

answered Mar 6 by nitinrawat895
• 10,150 points

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