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| author | Alan Pearce | 2021-01-12 17:02:27 +0100 |
|---|---|---|
| committer | Alan Pearce | 2021-01-12 17:02:27 +0100 |
| commit | 0ec55c7bd5465d93ed406aef3bf6c1d0bdb5e003 (patch) | |
| tree | 543d596a39438251c3a0f39459e7da1b1f6d1ab6 /system | |
| parent | 82eac6549fe01ecd4b8aec799f1dba37eb253ecd (diff) | |
| download | nixfiles-0ec55c7bd5465d93ed406aef3bf6c1d0bdb5e003.tar.lz nixfiles-0ec55c7bd5465d93ed406aef3bf6c1d0bdb5e003.tar.zst nixfiles-0ec55c7bd5465d93ed406aef3bf6c1d0bdb5e003.zip | |
bare-metal: set optimal IO scheduler per disk type
Diffstat (limited to 'system')
| -rw-r--r-- | system/settings/hardware/bare-metal.nix | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/system/settings/hardware/bare-metal.nix b/system/settings/hardware/bare-metal.nix index 998001c0..130c2d21 100644 --- a/system/settings/hardware/bare-metal.nix +++ b/system/settings/hardware/bare-metal.nix @@ -9,6 +9,15 @@ usbutils ]; + services.udev.extraRules = '' + # set scheduler for NVMe + ACTION=="add|change", KERNEL=="nvme[0-9]n[0-9]", ATTR{queue/scheduler}="none" + # set scheduler for SSD and eMMC + ACTION=="add|change", KERNEL=="sd[a-z]|mmcblk[0-9]*", ATTR{queue/rotational}=="0", ATTR{queue/scheduler}="mq-deadline" + # set scheduler for rotating disks + ACTION=="add|change", KERNEL=="sd[a-z]", ATTR{queue/rotational}=="1", ATTR{queue/scheduler}="bfq" + ''; + boot.kernel.sysctl = { "net.ipv4.tcp_allowed_congestion_control" = "illinois reno lp"; "net.ipv4.tcp_congestion_control" = "illinois"; |