April 2019
Intermediate to advanced
360 pages
9h 17m
English
Content preview from Hands-On Design Patterns with Java
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Input-Multiple Maps-Reduce-Output
The Input-Multiple Maps-Reduce-Output implementation of the MapReduce functional design pattern is similar to the Input-Map-Reduce-Output implementation. With multiple maps, there would be multiple sources of input, each with different formats.
An overview of the workflow is illustrated in this diagram:
MapReduce design pattern—Input-Multiple Maps-Reduce-Output
We will handle each step in this pattern in the subsections that follow.
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