HPA

Setting Up Horizontal Pod Autoscaler on Kubernetes: The Settings That Actually Matter

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Setting Up Horizontal Pod Autoscaler on Kubernetes: The Settings That Actually Matter

By KP  |  TZoneLabs  |  DevOps & Cloud Engineering The default Horizontal Pod Autoscaler config scales on raw CPU with no stabilization window, which is exactly why it’s common to see replica counts bounce up and down every few minutes under normal, slightly-uneven traffic. The two settings that actually decide whether HPA is useful or … Read more

We Burned Two Weeks of Cloud Budget Because Our Autoscaler Was Stuck in a Scale-Up, Scale-Down Loop

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We Burned Two Weeks of Cloud Budget Because Our Autoscaler Was Stuck in a Scale-Up, Scale-Down Loop

By KP  |  TZoneLabs  |  DevOps & Cloud Engineering For nine days, our cluster added and removed the same three worker nodes every six minutes. Every dashboard we watched stayed green the whole time. Pods were running, nodes were Ready, CPU never crossed 60%. Nobody noticed until the AWS bill landed about 40% higher than … Read more