Tweak the containerd garbage collect threshold on kubelets.

Pods were getting evicted due to disk pressure, so this causes garbage collection to trigger sooner.
2026-07-18 13:59:46 -04:00
parent a3cdaa9128
commit 24f4a8c2d9
2 changed files with 12 additions and 6 deletions
--- a/nix/kubernetes/roles/kubelet/default.nix
+++ b/nix/kubernetes/roles/kubelet/default.nix
@@ -48,6 +48,12 @@ let
      "fd00:3e42:e349::10"
    ];
    imageMaximumGCAge = "24h"; # Delete unused images after 1 day.
+    imageGCHighThresholdPercent = 80;
+    imageGCLowThresholdPercent = 70;
+    evictionHard = {
+      "nodefs.available" = "5%";
+      "imagefs.available" = "10%";
+    };
  };
  kubelet_config_file = (to_yaml_file "kubelet-config.yaml" kubelet_config);
 in