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coolvds.com › Blog › DevOps & Infrastructure

API Gateway Performance Tuning: Surviving the Thundering Herd in 2020

· CoolVDS Team

Default configurations are the enemy of scale. We dissect the Linux kernel and Nginx settings required to handle 10k+ RPS without melting your CPU, specifically tailored for the Nordic infrastructure landscape.

coolvds.com › Blog › Database Management

Database Sharding: The Nuclear Option for Scaling High-Traffic Apps in 2020

· CoolVDS Team

Sharding is complex, expensive, and risky. Before you break your database into pieces, maximize your vertical scale with high-IOPS NVMe infrastructure. Here is the battle-hardened guide to sharding MySQL and PostgreSQL without losing your sanity.

coolvds.com › Blog › DevOps & Infrastructure

The Pragmatic Multi-Cloud: Escaping Vendor Lock-in While Keeping Data in Norway

· CoolVDS Team

Stop bleeding money on hyperscaler egress fees. A pragmatic guide for CTOs on architecting a hybrid infrastructure that leverages local NVMe performance in Oslo while retaining cloud scalability. Includes Terraform patterns and WireGuard configurations.

coolvds.com › Blog › DevOps & Infrastructure

Stop Guessing Why Your Server is Slow: A Battle-Hardened Guide to APM in 2020

· CoolVDS Team

Latency kills conversion. In this deep dive, we dismantle the 'black box' of server performance using Prometheus, Grafana, and system-level profiling. Learn how to monitor high-traffic Norwegian workloads without relying on expensive SaaS tools.

coolvds.com › Blog › Security & Compliance

Stop Running as Root: The 2020 Guide to Hardening Containers in Production

· CoolVDS Team

Container isolation is a myth if you stick to defaults. From dropping kernel capabilities to managing secrets without environment variables, here is the battle-tested guide to securing your infrastructure against runC exploits and privilege escalation.

coolvds.com › Blog › Cloud Computing

The Multi-Cloud Reality Check: Escaping Vendor Lock-in Without Bankruptcy

· CoolVDS Team

It is February 2020. Relying solely on AWS or Azure is a calculated risk that often fails. Here is a pragmatic architectural guide to splitting workloads between hyperscalers and local high-performance NVMe infrastructure like CoolVDS, focusing on GDPR compliance and Norwegian latency.

coolvds.com › Blog › DevOps & Infrastructure

GitOps in 2020: Stop Manually Touching Your Production Clusters

· CoolVDS Team

Manual deployments are the enemy of uptime. Learn how to implement a rigid GitOps workflow using ArgoCD and Kubernetes 1.17, ensuring your Norwegian infrastructure remains immutable, audit-compliant, and resilient.

coolvds.com › Blog › DevOps & Infrastructure

Observability vs. Monitoring: Why Green Dashboards Are Lying to You

· CoolVDS Team

Monitoring tells you the server is up. Observability tells you why the checkout is failing for 1% of users in Oslo. We dissect the 'Three Pillars' stack (Prometheus, ELK, Jaeger) and why infrastructure ownership is the root of true visibility.

coolvds.com › Blog › DevOps & Infrastructure

Observability vs Monitoring: Why Your Green Dashboards Are Lying to You

· CoolVDS Team

Monitoring tells you the server is up. Observability tells you why the API latency just spiked by 400ms. A 2020 guide for Nordic DevOps engineers on moving from "Green/Red" lights to deep system insights using Prometheus, ELK, and proper infrastructure.