From fe4e66cc71d84420234dbd444642ffefa9c6b9be Mon Sep 17 00:00:00 2001 From: Johannes Christ Date: Mon, 28 Apr 2025 20:15:25 +0200 Subject: Bump dns cache miss alert time --- kubernetes/namespaces/monitoring/alerts/alerts.d/coredns.yaml | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'kubernetes/namespaces') diff --git a/kubernetes/namespaces/monitoring/alerts/alerts.d/coredns.yaml b/kubernetes/namespaces/monitoring/alerts/alerts.d/coredns.yaml index a530cda..eeb56ec 100644 --- a/kubernetes/namespaces/monitoring/alerts/alerts.d/coredns.yaml +++ b/kubernetes/namespaces/monitoring/alerts/alerts.d/coredns.yaml @@ -13,8 +13,9 @@ groups: - alert: core-dns/cache-misses expr: rate(coredns_cache_misses_total{}[10m]) / rate(coredns_cache_misses_total{}[10m] offset 10m) > 5.00 + for: 2h labels: severity: page annotations: - summary: "High CoreDNS cache misses in last 10 minutes" - description: "This can sometimes be an indication of networking troubles, currently {{ $value | humanizePercentage }} over last 10 minutes." + summary: "High CoreDNS cache misses in last 2 hours" + description: "This can sometimes be an indication of networking troubles, currently {{ $value | humanizePercentage }} over last 2 hours." -- cgit v1.2.3