Florent Beaurain: Optimizing Rails Tests at Doctolib Scale
About this episode
Florent Beaurain discusses optimizing Rails tests at Doctolib, focusing on performance improvements and managing a large test suite.
In this episode of On Rails, Robby is joined by Florent Beaurain, a longtime Rails engineer at Doctolib, home to one of the largest Rails monoliths in Europe with over 3 million lines of code and 400+ engineers. They explore how Doctolib’s team tackled massive test suite performance issues, including cutting one engine’s test time from seven minutes to under one minute. Florent shares insights from managing 84,000 tests, scaling across 10 PostgreSQL databases, and maintaining Rails upgrades a...
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