pt-query-digest is one of the most commonly used tool when it comes to query auditing in MySQL®. By default, pt-query-digest reports the top ten queries consuming the most amount of time inside MySQL. A query that takes more time than the set threshold for completion is considered slow but its not always true that tuning such [&]

https://www.percona.com/blog/2018/10/15/identifying-high-load-mysql-slow-query-log-pt-query-digest/