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coolvds.com › Blog › Database Management

Database Sharding Architectures: When Vertical Scaling Fails and How to Survive the Split

· CoolVDS Team

Sharding is the nuclear option of database scaling. It introduces complexity, latency, and maintenance nightmares. But when your primary key integer overflows and your IOPS hit the ceiling, it's the only path left. Here is the battle-tested guide to implementing sharding on high-performance infrastructure without losing data.

coolvds.com › Blog › DevOps & Infrastructure

Optimizing CI/CD Pipelines: Reducing Build Latency on Norwegian Infrastructure

· CoolVDS Team

Slow pipelines kill developer momentum. Learn how to crush build times by targeting the hidden bottleneck: Disk I/O. We analyze Docker caching strategies, self-hosted GitLab runners, and why NVMe storage in Oslo is your best compliance strategy post-Schrems II.

coolvds.com › Blog › Database Management

Zero-Downtime Database Migration: A DevOps Survival Guide for 2021

· CoolVDS Team

Migrating production databases is high-risk. Learn battle-tested strategies for MySQL and PostgreSQL migrations, covering replication, NVMe performance tuning, and Norwegian data compliance (GDPR/Schrems II).

coolvds.com › Blog › Performance Optimization

API Gateway Tuning: Squeezing Microseconds Out of Nginx & Kong in 2021

· CoolVDS Team

Stop blaming your backend code for high latency. Learn how to tune kernel parameters, optimize Nginx workers, and leverage NVMe-backed KVM instances to handle 10k+ RPS with sub-millisecond overhead in a post-Schrems II landscape.

coolvds.com › Blog › DevOps & Infrastructure

The Hybrid Cloud Reality: Surviving Schrems II with a Norway-First Strategy

· CoolVDS Team

Multi-cloud isn't just a buzzword; in post-Schrems II Europe, it's a legal survival mechanism. Here is a pragmatic technical guide to decoupling your data from US hyperscalers using Terraform, WireGuard, and Norwegian infrastructure.

coolvds.com › Blog › DevOps & Infrastructure

Silence the Noise: A Pragmatic Guide to Infrastructure Monitoring at Scale

· CoolVDS Team

Stop relying on passive ping checks. This guide details how to architect a robust Prometheus and Grafana stack for high-traffic environments, handling NVMe I/O bottlenecks and ensuring GDPR compliance in the post-Schrems II era.