Upgrading to MySQL 8.0 without stopping GitHub.com: a video showing the entire project that took over a year. Upgrading to MySQL 8.0 without stopping GitHub.com: a video showing the entire project that took over a year. This is the story of the upgrade of over 1200 MySQL hosts to 8.0 without stopping GitHub.com's service, and how the planning, testing, and upgrade, which took over a year, was done
![Behind the Scenes at GitHub.com's upgrade to MySQL 8.0](https://cdn-ak-scissors.b.st-hatena.com/image/square/126daf5c04c871bde81508efd6db3e9aeb7fe1e8/height=288;version=1;width=512/https%3A%2F%2Fimages.ctfassets.net%2Fwfutmusr1t3h%2F4fHq0xDCR3eEPGp8y10R5O%2F06e9411aa4f8f6c8b30c45d98d69da09%2FMySQL80Upgrade.png)