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Tag: hardening IO


Optimize HDD IO

Posted by in Hardening, Linux, Storage

add /etc/sysctl.conf vm.dirty_ratio = 6 vm.dirty_background_ratio = 3 vm.vfs_cache_pressure = 50 vm.swappiness = 1 load sysctl -p add /etc/udev/rules.d/10-local.rules ACTION==”add|change”, KERNEL==”sd[a-z]”, ATTR{queue/rotational}==”0″, ATTR{queue/scheduler}=”deadline”


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