feat(ci): add dedicated Nix cache prebuild runner

2026-09-19 10:43:17 -04:00
parent 50d4aa383f
commit 29db42d31f
3 changed files with 73 additions and 22 deletions
@@ -21,5 +21,16 @@
    nix-builder-12.enable = true;
    nix-builder-13.enable = true;
    nix-builder-14.enable = true;
+
+    # Warm the shared x86-64-v3 cache before the smaller per-system runners
+    # start. Eight jobs with eight cores each can use Jeeves' 64 logical CPUs,
+    # while the 6000% quota leaves some capacity for its normal services.
+    nix-cache-builder = {
+      enable = true;
+      labels = [ "nix-cache-builder:host" ];
+      cores = 8;
+      maxJobs = 8;
+      cpuQuota = "6000%";
+    };
  };
 }