Articles about storage, backup, virtualization, technology, innovation, programming, leadership, management,... etc
Articles about storage, backup, virtualization, technology, innovation, programming, leadership, management,... etc
Scaling a Kubernetes cluster means balancing performance, resilience, and cost. Here are the key strategies. 1. Scale Nodes (Cluster Autoscaling) Cluster Autoscaler automatically adjusts node count based on pending pods. Implementation: – Verify your cloud provider supports it (AWS, Azure, GCP, etc.). – Configure autoscaling in your provisioning tool (kubeadm, Terraform, cloud console). – Set […]
Kubernetes auto-scaling comes in three layers: Horizontal Pod Autoscaler (HPA) for replica count, Vertical Pod Autoscaler (VPA) for pod resource requests, and Cluster Autoscaler for node count. You’ll typically use HPA first, add Cluster Autoscaler when nodes run out of capacity, and use VPA carefully — it restarts pods and can fight with HPA if […]
Custom metrics let you scale Kubernetes workloads on signals that matter to your application, not just CPU or memory. Here’s how to wire them into the Horizontal Pod Autoscaler. 1. Understand HPA and Custom Metrics HPA pulls metrics from the Kubernetes Metrics API. For custom metrics, you need a component that serves those metrics to […]
