Thank you for sharing this. There's an interesting conversation thread in the comments on that post. It's a little over my head, but my takeaway is that with the kernel change, in an OOM event, MySQL is unable to be swapped out due to the type(s) of memory pages it's using, so the kernel is forced to kill it (or itself). In practice, it's relatively straightforward to tune MySQL/MariaDB for a certain memory allocation, and if it's on a shared host, oom_score_adj can be set to protect it.
Define "automatically" and "services" first ;-) Normally you just set it in the systemd's unit file for each daemon you want to adjust. So for some definitions of the above the answer is yes. (OOMScoreAdjust in https://www.freedesktop.org/software/systemd/man/systemd.exe...)
Personally, I use one tool for both FreeBSD and Linux. Picking up the (imported) rc.conf variable for a service is a mere matter of
oom-kill-protect fromenv
And the conversion from something like OOMScoreAdjust is quite straightforward. A PostgreSQL systemd unit file that read OOMScoreAdjust=-625 becomes a run program that contains
