Alerting on zolty.systemshttps://blog.zolty.systems/tags/alerting/Recent content in Alerting on zolty.systemsHugoen-usMon, 26 Oct 2026 10:00:00 -0400One k3s node, four months of CPU starvation, three false fixeshttps://blog.zolty.systems/posts/2026-10-26-cpu-overcommit-saga/Mon, 26 Oct 2026 10:00:00 -0400https://blog.zolty.systems/posts/2026-10-26-cpu-overcommit-saga/A single worker kept throttling Longhorn, MetalLB and node-exporter. Three declared fixes failed, and the likely cause turned out to be a hardware clock clamp.