From 0159266889f51875ad33f0a551af7d0dd4e7f992 Mon Sep 17 00:00:00 2001
From: "lucas.mathieu" <lmlucas.mathieu@gmail.com>
Date: Mon, 5 Jan 2026 10:42:43 +0100
Subject: [PATCH] feat(monitoring): Remove the HostCpuIsUnderutilized alert

---
 monitoring/prometheus/alerts/node-exporter.yml | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/monitoring/prometheus/alerts/node-exporter.yml b/monitoring/prometheus/alerts/node-exporter.yml
index 9a4c93f..1a7fb12 100644
--- a/monitoring/prometheus/alerts/node-exporter.yml
+++ b/monitoring/prometheus/alerts/node-exporter.yml
@@ -139,14 +139,14 @@ groups:
         description: "CPU load is > 80%\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"
 
     # You may want to increase the alert manager 'repeat_interval' for this type of alert to daily or weekly
-    - alert: HostCpuIsUnderutilized
-      expr: '(min by (instance) (rate(node_cpu_seconds_total{mode="idle"}[1h]))) > 0.8'
-      for: 1w
-      labels:
-        severity: info
-      annotations:
-        summary: Host CPU is underutilized (instance {{ $labels.instance }})
-        description: "CPU load has been < 20% for 1 week. Consider reducing the number of CPUs.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"
+    # - alert: HostCpuIsUnderutilized
+    #   expr: '(min by (instance) (rate(node_cpu_seconds_total{mode="idle"}[1h]))) > 0.8'
+    #   for: 1w
+    #   labels:
+    #     severity: info
+    #   annotations:
+    #     summary: Host CPU is underutilized (instance {{ $labels.instance }})
+    #     description: "CPU load has been < 20% for 1 week. Consider reducing the number of CPUs.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"
 
     - alert: HostCpuStealNoisyNeighbor
       expr: 'avg by(instance) (rate(node_cpu_seconds_total{mode="steal"}[5m])) * 100 > 10'