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coolvds.com › Blog › DevOps & Infrastructure

Microservices Architecture Patterns: A Survival Guide for Norwegian DevOps

· CoolVDS Team

Moving from Monolith to Microservices isn't just about Docker; it's about surviving distributed failure. We break down essential patterns—API Gateways, Circuit Breakers, and Saga—implemented on high-performance infrastructure secure under Norwegian law.

coolvds.com › Blog › DevOps & Infrastructure

Stop the Bleeding: A Pragmatic Guide to Cloud Cost Control in 2020

· CoolVDS Team

While the promise of 'pay-as-you-go' sounded perfect, the reality for many Norwegian CTOs is unpredictable billing and hidden egress fees. Here is how to audit your infrastructure, reclaim wasted resources, and why fixed-cost NVMe performance is the stabilizer your budget needs.

coolvds.com › Blog › DevOps & Infrastructure

Crushing API Latency: Gateway Tuning from the Oslo Trenches

· CoolVDS Team

Latency isn't just a metric; it's a business killer. Learn how to tune the Linux kernel and Nginx for high-throughput API gateways, and why hardware isolation is your only defense against jitter.

coolvds.com › Blog › DevOps & Infrastructure

Monitoring at Scale: Why Your "Green" Dashboard is Lying to You

· CoolVDS Team

Standard uptime checks won't save you from the 3 AM PagerDuty call. We dive deep into Prometheus architecture, the RED method, and why NVMe storage is critical for time-series data integrity in 2020.

coolvds.com › Blog › DevOps & Infrastructure

Microservices on VPS: Architecture Patterns for Low-Latency Nordic Infrastructure

· CoolVDS Team

Microservices exchange memory calls for network I/O. Without the right architecture and hardware, latency kills your application. We explore essential patterns—API Gateways, Circuit Breakers, and Service Discovery—optimized for the Norwegian market in 2019.

coolvds.com › Blog › DevOps & Infrastructure

Escaping the Lambda Trap: Building a Private Serverless Architecture on KVM

· CoolVDS Team

Public cloud serverless functions promise scale but deliver cold starts and unpredictable bills. Learn how to architect a private serverless platform using OpenFaaS and Docker on high-performance NVMe VPS infrastructure for total data sovereignty in Norway.

coolvds.com › Blog › Performance Optimization

Tuning Nginx API Gateways for Sub-Millisecond Latency: A 2019 Guide

· CoolVDS Team

Default configurations are killing your API performance. We dive deep into Linux kernel tuning, Nginx upstream keepalives, and why NVMe storage is non-negotiable for serious workloads in the Norwegian market.

coolvds.com › Blog › DevOps & Infrastructure

Kubernetes Networking on Bare Metal: Escaping Iptables Hell in 2018

· CoolVDS Team

A deep dive into K8s networking primitives for ops engineers. We benchmark Flannel vs. Calico, analyze IPVS performance gains, and explain why underlying network latency matters more than your CNI plugin.

coolvds.com › Blog › Database Management

Zero-Downtime Database Migration: A 2018 Survival Guide for Norwegian DevOps

· CoolVDS Team

Migrating a TB-scale database without killing your SLA requires military precision. We break down the master-slave replication strategy, Percona XtraBackup workflows, and why IOPS is the only metric that matters when moving data across Europe.