Sysctl

Tuning linux with sysctl

Links

• https://www.kernel.org/doc/Documentation/sysctl/vm.txt
• https://klaver.it/linux/sysctl.conf
• https://wiki.mikejung.biz/Sysctl_tweaks

Tuning memory

vm.swappiness

Default is 60

vm.vfs_cache_pressure

To free/clear cache:

echo 3 > /proc/sys/vm/drop_caches