Maybe one of the more “obscure” operations when dealing with replica lag, or, in general, when one needs to control writes to the database, is the Rate limit. Its also lately one of the most popular conversations around the community. But what is it? In plain words: holding up queries for a while, giving air [&]

https://www.percona.com/blog/2020/10/02/rate-limit-throttle-for-mysql-with-proxysql/