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coolvds.com › Blog › Performance Optimization

PCIe 5.0 NVMe: Why Your Server's I/O is the New Bottleneck

· CoolVDS Team

PCIe Gen5 storage isn't just faster—it exposes weak CPU architectures. We analyze 14GB/s throughputs, kernel interrupt tuning, and why standard VPS providers in Norway can't handle the heat.

coolvds.com › Blog › DevOps & Infrastructure

GitOps in 2025: Stop SSH-ing Into Production or Go Home

· CoolVDS Team

Manual deployments are dead. Learn the strict GitOps workflows used by elite DevOps teams in Norway to maintain compliance, speed, and sanity on high-performance infrastructure.

coolvds.com › Blog › DevOps & Infrastructure

Kubernetes Networking in 2025: From CNI Chaos to eBPF Precision

· CoolVDS Team

Networking remains the most complex layer of Kubernetes. In this deep dive, we bypass legacy iptables, implement eBPF with Cilium, and discuss why your underlying VPS architecture determines your cluster's fate.

coolvds.com › Blog › DevOps & Infrastructure

The Cloud Repatriation Shift: Cutting Infrastructure TCO by 40% in 2025

· CoolVDS Team

Hyperscale cloud bills are bleeding Norwegian tech companies dry. A pragmatic guide to moving stable workloads back to high-performance VPS, optimizing kernel parameters for efficiency, and leveraging local data sovereignty to reduce costs.

coolvds.com › Blog › DevOps & Infrastructure

The Silent Budget Killer: Reclaiming TCO in a Volatile Cloud Economy

· CoolVDS Team

Hyperscale bills and a weak Krone are bleeding Norwegian tech budgets dry. A pragmatic CTO's guide to reclaiming control through architectural discipline, local data sovereignty, and transparent infrastructure.

coolvds.com › Blog › DevOps & Infrastructure

Service Mesh Architecture: Cutting Through the Hype and Latency in 2025

· CoolVDS Team

A battle-hardened guide to implementing Cilium and eBPF without destroying your application performance. We strip away the marketing fluff to focus on mTLS, GDPR compliance, and why underlying hardware I/O determines your mesh's survival.