aviallon/nixos-lib
1
0
Fork 0
mirror of https://github.com/aviallon/nixos-lib.git synced 2026-04-06 01:38:06 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

[FileSystems/Btrfs] improve performance + fix autoScrub conf

Browse source
This commit is contained in:
Antoine Viallon 2023-05-11 20:33:50 +02:00
parent e496065dc6
commit 97335ca0de
Signed by: aviallon
GPG key ID: 186FC35EDEB25716
1 changed files with 23 additions and 8 deletions
Download patch file Download diff file Expand all files Collapse all files

25
filesystems/btrfs.nix
View file

@ -9,11 +9,18 @@ let
in { in {
options.aviallon.filesystems.btrfs = { options.aviallon.filesystems.btrfs = {
enable = mkEnableOption "BTRFS support"; enable = mkEnableOption "BTRFS support";
autoScrub = mkOption { autoScrub = {
enable = mkOption {
type = types.bool; type = types.bool;
default = true; default = true;
description = "Wether to enable automatic scrubbing"; description = "Wether to enable automatic scrubbing";
}; };
paths = mkOption {
type = with types; nonEmptyListOf path;
default = btrfsPaths;
description = "What paths to scrub. Must be a btrfs mount point.";
};
};
autoDedup = { autoDedup = {
enable = mkOption { enable = mkOption {
type = types.bool; type = types.bool;
@ -43,29 +50,37 @@ in {
}; };
}; };
config = mkIf cfg.enable { config = mkIf cfg.enable {
services.btrfs.autoScrub = { services.btrfs.autoScrub = {
enable = true; enable = cfg.autoScrub.enable;
fileSystems = [ "/" ]; fileSystems = cfg.autoScrub.paths;
}; };
systemd.services.duperemove = { systemd.services.duperemove = {
script = '' script = ''
mkdir -p $DATA_DIR mkdir -p $DATA_DIR
exec ${pkgs.duperemove}/bin/duperemove --io-threads=${toString cfg.autoDedup.ioThreads} --cpu-threads=${toString cfg.autoDedup.cpuThreads} -h --dedupe-options=fiemap,same --hashfile=$DATA_DIR/hashes.db -v -Ard "$@" exec ${pkgs.duperemove}/bin/duperemove \
--io-threads=${toString cfg.autoDedup.ioThreads} --cpu-threads=${toString cfg.autoDedup.cpuThreads} \
--dedupe-options=fiemap,same \
--hashfile=$DATA_DIR/hashes.db -h -v -Ard "$@"
''; '';
scriptArgs = concatStringsSep " " cfg.autoDedup.paths; scriptArgs = concatStringsSep " " cfg.autoDedup.paths;
# %S : state # %S : state
environment = { environment = {
DATA_DIR = "%S/duperemove"; DATA_DIR = "%S/duperemove";
}; };
unitConfig = {
ConditionCPUPressure = "50%";
ConditionIOPressure = "30%";
};
serviceConfig = { serviceConfig = {
CPUQuota = "50%"; CPUQuota = "50%";
CPUWeight = 1;
Nice = 19; Nice = 19;
MemoryAccounting = true; MemoryAccounting = true;
MemoryHigh = "33%"; MemoryHigh = "33%";
MemoryMax = "50%"; MemoryMax = "50%";
IOWeight = 10; IOWeight = 10;
ManagedOOMMemoryPressure = "kill";
}; };
requires = [ "local-fs.target" ]; requires = [ "local-fs.target" ];
}; };