AI agents hit monorepo scale: you need Google-style copy-on-write primitives, not Git

rickasaurus · x · 2026-10-14

championswimmer argues Git breaks down at monorepo scale, as anyone who has used Google's or Meta's monorepo knows: by the time git fetch completes, dozens or hundreds of diffs are already merged. The solution is shallow, copy-on-write file-system-level pulls of just the files you work on. With AI agents, even 100 engineers quickly reach the equivalent of 10,000 contributors on one repo, requiring the same primitives big tech already built.

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