Posted On: Mar 02, 2020
Mapper is the first phase in the MapReduce model to solve the problem. In this phase, the data is distributed and computed on each node. Here, the concept of parallel processing is executed for fast processing.
The next and the final phase is the Reducer in the MapReduce model. It reduces the data from the mapper and stores the data into the file. It also performs tasks such as shuffle and sort.
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