zfs: arc 2048 -> 4096 mb

2025-03-25 11:40:38 -04:00 · 2025-03-25 11:40:38 -04:00 · f04213dff4
commit f04213dff4
parent 3447478847
1 changed files with 7 additions and 4 deletions
--- a/zfs.nix
+++ b/zfs.nix
@ -20,10 +20,13 @@ in
  boot.zfs.package = pkgs.zfs_unstable;
  boot.initrd.kernelModules = [ "zfs" ];

-  boot.kernelParams = [
-    # 2048MB
-    "zfs.zfs_arc_max=2048000000"
-  ];
+  boot.kernelParams =
+    let
+      mb = 4096;
+    in
+    [
+      "zfs.zfs_arc_max=${mb * 1000000}"
+    ];

  boot.supportedFilesystems = [ "zfs" ];
  boot.zfs.extraPools = [