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Why Google stores billions of lines of code in a single repository (2016)

Google shares insights into its monorepo architecture, explaining how it manages billions of lines of code within a single repository to enable rapid, cross-team collaboration and large-scale automated testing. The approach contrasts with industry norms that favor smaller, decentralized codebases.

Background

Google's monorepo practice has been widely studied in software engineering communities as a model for managing large-scale codebases. This ACM publication details the infrastructure and tooling that makes the approach viable.

Source
Lobsters
Published
Aug 26, 2026 at 06:17 PM
Score
6.0 / 10