![](https://github.blog/wp-content/uploads/2023/12/Productivity-DarkMode-1.png?resize=800%2C425)
Upgrading GitHub.com to MySQL 8.0
GitHub uses MySQL to store vast amounts of relational data. This is the story of how we seamlessly upgraded our production fleet to MySQL 8.0.
![](https://github.blog/wp-content/uploads/2023/12/Productivity-DarkMode-1.png?resize=800%2C425)
GitHub uses MySQL to store vast amounts of relational data. This is the story of how we seamlessly upgraded our production fleet to MySQL 8.0.