How Big Tech Uses Git | Google, Meta, and Amazon Explained

Описание: How do Google, Meta, and Amazon use Git when their codebases span *millions of files* and thousands of engineers?

In this short visual explainer, we break down how Big Tech manages version control at scale:

🟢 Google – Monorepo powered by Piper, CitC, and automation
🔵 Meta – Switched to Mercurial + Sapling for performance
🟡 Amazon – Many micro-repos with Git + CI/CD pipelines

✅ Trunk-based development in action
✅ Feature flags, stacked diffs, short-lived branches
✅ Real-world tooling like Critique, Sapling, and AWS CodePipeline

Whether you're scaling engineering teams or curious about Git internals, this video shows what the giants do — and what you can apply to your own dev workflow.

  / bytemonk  

🕒 Timestamps
0:00 – Intro: What Happens When Git Meets Big Tech Scale
0:42 – Google’s Monorepo (Piper, CitC, Trunk-Based Dev)
3:22 – Meta’s Move to Mercurial + Sapling Frontend
4:10 – Stacked Diffs, Rebasing, Fix-Forward Culture at Meta10
4:53 – Amazon’s Micro-Repo DevOps with Git + CI/CD
5:59 – Summary: 3 Companies, 3 Models, Same Goal
6:15 – Outro: What’s Your Team’s Workflow?


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