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ParDo and DoFn Implementation in Apache Beam in Details
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ParDo and DoFn Implementation in Apache Beam in Details

Last Updated on August 1, 2023 by Editorial Team

Author(s): Rashida Nasrin Sucky

Originally published on Towards AI.


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Detail Explanation of Code For Beginners

I wrote a tutorial on some common transform functions in Apache Beam in a previous tutorial that covered map, filter, and combinePerKey(). This tutorial will be for ParDo transform which is nothing but another way of doing Map. But the difference is ParDo applies the transform in each PCollection and returns zero or more elements to the output PCollection. On the other hand, Map transform outputs exactly one element for each input element. In that way, ParDo provides us with… Read the full blog for free on Medium.

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