all repos — nixfiles @ 3a7a769a502109b43ad54a388aa5140d62755caf

System and user configuration, managed by nix and home-manager

remove host-specific nix max-jobs/cores values; make role-based the default setting is automatic, based on CPU cores (for both) - set a lower value on servers as they are probably busy with other things - except buk: its main role is as a remote builder

Alin
commit

3a7a769a502109b43ad54a388aa5140d62755caf

parent

fb07da2e1d675275b0a91ba81cbc44c81958b98b

5 files changed, 11 insertions(+), 15 deletions(-)

changed files
M system/hosts/buk.nix → system/hosts/buk.nix
@@ -7,12 +7,17 @@ ../roles/nix-remote-builder.nix
   ];
 
   networking.hostName = "buk";
-  nix.settings.max-jobs = 16;
 
   system.autoUpgrade = {
     operation = "boot";
     rebootWindow = null; # idle shutdown solves this for us
   };
 
+  nix = {
+    settings = {
+      max-jobs = "auto";
+      cores = 0;
+    };
+  };
   system.stateVersion = "25.11";
 }
M system/hosts/marvin.nix → system/hosts/marvin.nix
@@ -57,13 +57,6 @@ # $ darwin-rebuild changelog
   system.stateVersion = 4;
   ids.gids.nixbld = 350;
 
-  # You should generally set this to the total number of logical cores in your system.
-  # $ sysctl -n hw.ncpu
-  nix.settings = {
-    max-jobs = 4;
-    cores = 8;
-  };
-
   nix.linux-builder = {
     enable = false; # will be needed for building the rosetta image
     systems = [ "aarch64-linux" ];
M system/hosts/r5.nix → system/hosts/r5.nix
@@ -90,12 +90,6 @@ "ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBENXbdPPOq0mA+9bPklpUkikvIXjCEKE5IRwNPNMr5/Ta1J/ND737fexCjEb7YPoAJtaf0gD/JThQQi/RxDTvy4= alin@secretive.marvin.local"
     ];
   };
 
-  nix = {
-    settings = {
-      max-jobs = 2;
-    };
-  };
-
   boot.kernelModules = [
     "rtc_rk808"
     # this RTC supposedly has a battery, but doesn't seem to work
M system/hosts/r6.nix → system/hosts/r6.nix
@@ -109,7 +109,6 @@
   nix = {
     distributedBuilds = true;
     settings = {
-      max-jobs = 2;
       trusted-public-keys = [
         "mba-1:CxokFjx7YAQWPWMJJKcP50ZpcPUCAFEOrtWdNUMTVjw="
       ];
M system/roles/server.nix → system/roles/server.nix
@@ -24,6 +24,11 @@ ];
 
   srvos.server.docs.enable = true;
 
+  nix.settings = {
+    max-jobs = lib.mkDefault 2;
+    cores = lib.mkDefault 2;
+  };
+
   services.sshguard = {
     enable = true;
   };