Make The (Big) Change Easy, Make The Easy Change

Getting a working solution is easy. More difficult is getting a solution that scales and is easy to maintain. There's a lot of planning and careful execution needed for large-scale refactoring, but shipping a large change boils down to classic refactoring advice: make the change easy, then make the change.

In this session, we share examples of successful executions of large refactoring — from a monolithic application to a distributed system that manages millions of ad creative images, with tens of thousands ingested and processed on a daily basis — at both the micro and macro level, the logic behind our approach in tackling that hard task first, and how it all worked out (spoiler alert: smashingly). Coming out of it, you'll have a better understanding of how to introduce changes in your own systems that not only maintain functionalities, but pave the way for easy implementation of new changes, large and small.

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