In this post, I want to explore a way to establish 100,000 connections to MySQL. Not just idle connections, but executing queries. 100,000 connections. Is that really needed for MySQL, you may ask? Although it may seem excessive, I have seen a lot of different setups in customer deployments. Some deploy an application connection pool, [&]

https://www.percona.com/blog/2019/02/25/mysql-challenge-100k-connections/