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Why Facebook does not use Git – and why most other devs do • DEVCLASS (devclass.com)
submitted 2 years ago by to c/programming@programming.dev
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  • Facebook does not use Git due to scale issues with their large monorepo, instead opting for Mercurial.
  • Mercurial may be a better option for large monorepos, but Git has made improvements to support them better.
  • Despite some drawbacks, Git usage remains dominant with 93.87% share, due to familiarity, additional tools, and industry trends.
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[–] 12 points 2 years ago (3 children)

I use git daily and still wonder why I had fewer merge issues on a larger team in the 1990s with command line rcs on Solaris. Maybe we were just more disciplined then. I know we were less likely to work on the same file concurrently. I feel like I spend more time fighting the tools than I ever used to. Some of that is because of the dumb decisions that were made on our project a decade or more ago.

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  • [–] 10 points 2 years ago (2 children)

    I know we were less likely to work on the same file concurrently.

    I mean, isn't that when merge conflicts happen? Isn't that your answer?

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