One of the most common support tickets we get at Percona is the infamous “database is running slower” ticket. While this can be caused by a multitude of factors, it is more often than not caused by a bad query. While everyone always hopes to recover through some quick config tuning, the real fix is to identify and fix the problem query. Sure, we can generally alleviate some pain by throwing more resources at the server. But this is almost always a short term bandaid and not the proper fix.
With Percona Monitoring and Management
So how do we find the queries causing problems and fix them? If you have Percona Monitoring and Management (PMM) installed, the identification process is swift. With the Query Analytics enabled (QAN) in PMM, you can simply look at the table …[Read more]