From afe52ca6af107b255f6e5aa00bc9c7a8fc1f1236 Mon Sep 17 00:00:00 2001
From: teutat3s <teutates@mailbox.org>
Date: Wed, 6 Nov 2024 21:28:28 +0100
Subject: [PATCH] alertmanager: alert on high load only after 20m

---
 modules/prometheus/alert-rules.nix | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/modules/prometheus/alert-rules.nix b/modules/prometheus/alert-rules.nix
index 866709b7..3c1b601a 100644
--- a/modules/prometheus/alert-rules.nix
+++ b/modules/prometheus/alert-rules.nix
@@ -142,8 +142,8 @@ lib.mapAttrsToList
 
     cpu_using_90percent = {
       condition = ''100 - (avg by (instance) (irate(node_cpu_seconds_total{mode="idle"}[5m])) * 100) >= 90'';
-      time = "10m";
-      description = "{{$labels.instance}} is running with cpu usage > 90% for at least 10 minutes: {{$value}}";
+      time = "20m";
+      description = "{{$labels.instance}} is running with cpu usage > 90% for at least 20 minutes: {{$value}}";
     };
 
     reboot = {