Adjust master memory limits (#886)

* Adjust limits Check discussion at giantswarm/giantswarm#27820 * Update CHANGELOG.md
giantswarm · Aug 16, 2023 · 70dab39 · 70dab39
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -9,6 +9,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [2.126.1] - 2023-08-14
 
+### Changed
+
+- Changed master memory limits to 80%
+
 ### Fixed
 
 - Revert change concerning port 8081 in `KubeStateMetricsDown` alert.

diff --git a/helm/prometheus-rules/templates/alerting-rules/node.workload_cluster.rules.yml b/helm/prometheus-rules/templates/alerting-rules/node.workload_cluster.rules.yml
@@ -137,7 +137,7 @@ spec:
               / (node_memory_MemTotal_bytes{cluster_type="workload_cluster"}
             ) * 100
           )
-        ) > 90
+        ) > 80
         and
         ( node_memory_MemFree_bytes{cluster_type="workload_cluster"}
           + node_memory_Cached_bytes{cluster_type="workload_cluster"}
-Original file line number
+Diff line change
@@ Expand Up / @@ -137,7 +137,7 @@ spec: @@
                   / (node_memory_MemTotal_bytes{cluster_type="workload_cluster"}
                 ) * 100
               )
-            ) > 90
+            ) > 80
             and
             ( node_memory_MemFree_bytes{cluster_type="workload_cluster"}
               + node_memory_Cached_bytes{cluster_type="workload_cluster"}
@@ Expand Down @@