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machines: back: limit ZFS ARC size to 32 GiB

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Signed-off-by: Christoph Heiss <christoph@c8h4.io>
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Christoph Heiss 2023-12-18 20:43:18 +01:00
parent efc93917ab
commit 51ec4e161c
Signed by: c8h4
GPG key ID: 73D5E7FDEE3DE49A
1 changed files with 2 additions and 0 deletions
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machines/back.nix
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@ -47,6 +47,8 @@
'';
};
boot.kernelParams = [ "zfs.zfs_arc_max=34359738368" ]; # 32 GiB
fileSystems."/" = {
device = "/dev/mapper/nixos-root";
fsType = "btrfs";