In this blog, we’ll examine how CPU governor performance affects MySQL.
It’s been a while since we looked into CPU governors and with the new Intel CPUs and new Linux distros, I wanted to check how CPU governors affect MySQL performance.
Before jumping to results, let’s review what drivers manage CPU frequency. Traditionally, the default driver was “acpi-cpufreq”, but for the recent Intel CPUs and new Linux kernel it was changed to “intel_pstate”.
To check what driver is being used, run the command
cpupower frequency-info analyzing CPU 0: driver: …[Read more...]