From 7cd778313afd29319a5051978fa15fb01861d57e Mon Sep 17 00:00:00 2001
From: Mayne0213 <bluemayne0213@icloud.com>
Date: Fri, 9 Jan 2026 15:16:01 +0900
Subject: [PATCH] FIX(prometheus): disable PrometheusDuplicateTimestamps alert

- Low severity alert that fires repeatedly in HA setup
- 0.05 samples/s drop rate is negligible
---
 prometheus/helm-values.yaml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/prometheus/helm-values.yaml b/prometheus/helm-values.yaml
index 620def5..1ac9b51 100644
--- a/prometheus/helm-values.yaml
+++ b/prometheus/helm-values.yaml
@@ -203,6 +203,7 @@ defaultRules:
   disabled:
     KubeCPUOvercommit: true
     KubeMemoryOvercommit: true
+    PrometheusDuplicateTimestamps: true
   rules:
     alertmanager: true
     etcd: false