A few months ago, I would have never read these kinds of posts. But after doing a project that had a huge MySQL database, I am glad that I have found this post.
Regardless of whether you’re running a single MySQL server or a cluster of multiple servers, one thing you are always interested in is squeezing the maximum performance out of your system. MySQL’s developers were well aware of this, and so they provided a fairly comprehensive list of performance variables that you can monitor in real time to check the health and performance of your MySQL server.
You can read the entire article here.