How LinkedIn scales compatibility testing

Co-authors: Nima Dini and Dan Sully Introduction LinkedIn has 12,000 Multirepo codebases, referred to as multiproducts, which represent individual software components developed by our engineering team across the globe. Every day, thousands of code changes are pushed through our Continuous Integration (CI) pipeline. Our ecosystem is rapidly evolving and we have seen a double-digit growth in the number of multiproducts year after year. Our source control branching model is trunk-based development,...

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