From ac09fd8a2d6459355fcaf93090a3b6a32575220f Mon Sep 17 00:00:00 2001
From: samber <samber@users.noreply.github.com>
Date: Sun, 21 May 2023 20:58:38 +0000
Subject: [PATCH] Publish

---
 .../docker-containers/google-cadvisor.yml     | 28 +++++++++++++++----
 1 file changed, 23 insertions(+), 5 deletions(-)

diff --git a/dist/rules/docker-containers/google-cadvisor.yml b/dist/rules/docker-containers/google-cadvisor.yml
index 23fe173..4215f15 100644
--- a/dist/rules/docker-containers/google-cadvisor.yml
+++ b/dist/rules/docker-containers/google-cadvisor.yml
@@ -22,22 +22,22 @@ groups:
         summary: Container absent (instance {{ $labels.instance }})
         description: "A container is absent for 5 min\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"
 
-    - alert: ContainerCpuUsage
+    - alert: ContainerHighCpuUtilization
       expr: '(sum(rate(container_cpu_usage_seconds_total{name!=""}[3m])) BY (instance, name) * 100) > 80'
       for: 2m
       labels:
         severity: warning
       annotations:
-        summary: Container CPU usage (instance {{ $labels.instance }})
-        description: "Container CPU usage is above 80%\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"
+        summary: Container High CPU utilization (instance {{ $labels.instance }})
+        description: "Container CPU utilization is above 80%\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"
 
-    - alert: ContainerMemoryUsage
+    - alert: ContainerHighMemoryUsage
       expr: '(sum(container_memory_working_set_bytes{name!=""}) BY (instance, name) / sum(container_spec_memory_limit_bytes > 0) BY (instance, name) * 100) > 80'
       for: 2m
       labels:
         severity: warning
       annotations:
-        summary: Container Memory usage (instance {{ $labels.instance }})
+        summary: Container High Memory usage (instance {{ $labels.instance }})
         description: "Container Memory usage is above 80%\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"
 
     - alert: ContainerVolumeUsage
@@ -57,3 +57,21 @@ groups:
       annotations:
         summary: Container high throttle rate (instance {{ $labels.instance }})
         description: "Container is being throttled\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"
+
+    - alert: ContainerLowCpuUtilization
+      expr: '(sum(rate(container_cpu_usage_seconds_total{name!=""}[3m])) BY (instance, name) * 100) < 20'
+      for: 7d
+      labels:
+        severity: info
+      annotations:
+        summary: Container Low CPU utilization (instance {{ $labels.instance }})
+        description: "Container CPU utilization is under 20% for 1 week. Consider reducing the allocated CPU.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"
+
+    - alert: ContainerLowMemoryUsage
+      expr: '(sum(container_memory_working_set_bytes{name!=""}) BY (instance, name) / sum(container_spec_memory_limit_bytes > 0) BY (instance, name) * 100) < 20'
+      for: 7d
+      labels:
+        severity: info
+      annotations:
+        summary: Container Low Memory usage (instance {{ $labels.instance }})
+        description: "Container Memory usage is under 20% for 1 week. Consider reducing the allocated memory.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"