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Kubo Blog

Page 3 — Technical articles on Kubernetes, K3s, and Proxmox

Jul 18, 2026 #kubernetes #k3s #resource-management #autoscaling #ai-ops #devops

AI Can Write a YAML File in One Second, But Your Cluster Won't Get Any Faster. Why the Real Bottleneck in Kubernetes Operations Is Architecture, Not Code

Generating Kubernetes manifests at AI speed doesn't make production Kubernetes operations faster. This article breaks down three real bottlenecks — CPU throttling, the HPA/VPA conflict, and database connection starvation — and how to split the work between AI and humans.

Jul 14, 2026 #k3s #kubernetes #openstack #private-cloud #on-premise

"You Can Build Your Own Private Cloud" Is Only Half True: What OpenStack × K3s Reveals About the Reality of Day 2 Operations

As VMware migration costs and cloud bills climb in 2026, more companies are reconsidering private cloud. This article examines the real build cost and Day 2 operational burden of self-managed OpenStack + K3s, using actual operational data and industry statistics, to clarify when in-house builds make sense versus a managed Kubernetes service.