ProxySQL brings a lot of value to your MySQL infrastructures such as Caching or Connection Multiplexing but it does not come free — your database needs to go through additional processing traffic which adds some overhead. In this blog post, we’re going to discuss where this overhead comes from and measure such overhead.  Types of [&]

https://www.percona.com/blog/2020/08/28/proxysql-overhead-explained-and-measured/