If you do a quick web search about UUIDs and MySQL, you’ll get a fair number of results. Here are just a few examples: Storing UUID and Generated Columns Storing UUID Values in MySQL Illustrating Primary Key models in InnoDB and their impact on disk usage GUID/UUID Performance Breakthrough To UUID or not to UUID? [&]

https://www.percona.com/blog/2019/11/22/uuids-are-popular-but-bad-for-performance-lets-discuss/