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coolvds.com › Blog › DevOps & Infrastructure

Building a CI/CD Pipeline on CoolVDS

· Lukas Hansen

Step-by-step guide to setting up a modern CI/CD pipeline using Firecracker MicroVMs.

coolvds.com › Blog › Database Management

Database Sharding Architectures: When Vertical Scaling Fails

· CoolVDS Team

A deep technical dive into database sharding strategies for high-throughput systems. We cover application-side routing, middleware solutions, and the critical role of NVMe storage and network latency in distributed data environments.

coolvds.com › Blog › DevOps & Infrastructure

Cloud FinOps in 2025: Stop Bleeding Budget on Hyperscaler Fluff

· CoolVDS Team

Is your AWS bill growing faster than your user base? We dissect the hidden costs of cloud egress, idle compute, and IOPS, providing a pragmatic roadmap for Norwegian CTOs to cut infrastructure costs by 40% without sacrificing millisecond latency.

coolvds.com › Blog › DevOps & Infrastructure

GitOps in 2025: Stop Breaking Production with ClickOps

· CoolVDS Team

Manual `kubectl apply` is a resignation letter waiting to happen. Here is the battle-tested GitOps workflow using ArgoCD, Kustomize, and high-performance infrastructure to keep your Norwegian deployments sane.

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

Microservices in Production: Patterns to Prevent Distributed Spaghetti

· CoolVDS Team

Microservices aren't a silver bullet; they are a complexity trade-off. We dissect the architecture patterns—Circuit Breakers, API Gateways, and Asynchronous Messaging—that separate resilient systems from distributed monoliths, with a focus on Norwegian data compliance and low-latency infrastructure.

coolvds.com › Blog › DevOps & Infrastructure

Kernel-Level Truth: Using eBPF for Deep System Observability in 2024

· CoolVDS Team

Stop guessing why your production server is stalling. We dive deep into using eBPF tools (BCC, bpftrace) to debug latency and I/O bottlenecks on Linux, explaining why true KVM virtualization is non-negotiable for modern observability.