Thank you for the pointers. That's a lot of things to learn since I never look into cgroup before. I'll see if there is something better there than my current "

Thank you for the pointers. That's a lot of things to learn since I never look into cgroup before. I'll see if there is something better there than my current "fix" (periodically run `echo 1 > /proc/sys/vm/drop_caches`).