And as troubleshooting freak I have huge reason to greet this feature.
Before version 5.7 we had very limited abilities to diagnose memory issues in MySQL. We could use operating system tools, such as vmstat, top, free, but they only showed what MySQL server uses memory, but do not show how. In version 5.7 things changed.
Lets examine what can we study about memory usage by MySQL Server.
At first, this is total amount of memory, used by all internal MySQL … [Read More]