https://blog.khmersite.net/tags/kube-prometheus-stack/ Recent content in Kube-Prometheus-Stack on Kenno's Open Note https://blog.khmersite.net/%3Clink%20or%20path%20of%20image%20for%20opengraph,%20twitter-cards%3E https://blog.khmersite.net/%3Clink%20or%20path%20of%20image%20for%20opengraph,%20twitter-cards%3E Hugo -- 0.154.0 en Tue, 25 Feb 2025 10:42:41 +1100 https://blog.khmersite.net/p/setting-retention-for-kube-prometheus-stack/ Tue, 25 Feb 2025 10:42:41 +1100 https://blog.khmersite.net/p/setting-retention-for-kube-prometheus-stack/ <p>When deploying the <strong>prometheus-community/kube-prometheus-stack</strong> in a k8s cluster, the default retention for Prometheus scrapped data is 10d at the time of this writing or Helm chart <code>kube-prometheus-stack-69.4.1</code>. As a result, the longhorn storage is filled up fast, and caused the Prometheus to crash.</p> <p>So I&rsquo;d decided to change the retention period to 3 days, and also set retention size to 4GB. To do this, update the <code>values</code> file for the Helm chart with the following values:</p>