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kubernetes

(5 articles)

Bare Metal Kubernetes vs the Cloud: When It Actually Wins

Bare metal Kubernetes can be 5x cheaper than AWS — but it's wrong for most teams. I run 6 Hetzner nodes; here's the honest tradeoff and decision framework.

infrastructurekubernetescloudself-hostingcost

Building My Own Cloud

Six dedicated servers in a German data centre, and a multi-tenant Kubernetes platform on top of them. Most of what I run my life on now lives there. This is an honest account of why I built it, what it actually costs, and the situations in which you absolutely should not do the same.

kubernetesself-hostinginfrastructureplatform-engineering

Why I Rewrote Four Services in Go

Python on Knative was costing me 5–7 seconds every cold start. On a small Kubernetes cluster, that latency was the difference between a usable AI agent and a broken one. So I rewrote four services in Go on three weekends. Here are the measured numbers, the unexpected wins, the unexpected pains, and when you absolutely should not do the same.

gopythonperformancekubernetesknative

No Swap, No Surprises: Why Kubernetes Works Better Without It

Debunking the myths around swap usage in Kubernetes with a systems-level perspective — and advocating for deterministic failure, better diagnostics, and improved stability, observability, and performance in containerized environments.

kubernetesswaplinuxmemory-managementkep-2400best-practices

Why Adding More ETCD Nodes Might Not Save You in a Failure

Understanding quorum, recovery strategies, and why 3 ETCD nodes are often enough

etcdkubernetesdevopshighavailabilitydistributedsystems