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coolvds.com › Blog › Database Management

Database Sharding: Breaking the Monolith Without Breaking Production

· CoolVDS Team

Vertical scaling has a ceiling. When your NVMe storage is saturated and replication lag creeps up, it is time to shard. This guide covers practical sharding strategies for MySQL and PostgreSQL, specifically tailored for high-compliance Norwegian environments in 2019.

coolvds.com › Blog › DevOps & Infrastructure

Disaster Recovery in 2019: Why Backups Are Not Enough for Norwegian Ops

· CoolVDS Team

A deep dive into RTO/RPO strategies for Nordic infrastructure. Learn how to architect failover systems using MySQL replication, BorgBackup, and high-performance NVMe VPS solutions to ensure business continuity under GDPR.

coolvds.com › Blog › DevOps & Infrastructure

Breaking the Monolith: Practical Microservices Patterns for Nordic Enterprises

· CoolVDS Team

Transitioning from monolithic architecture to microservices requires more than just Docker containers. We explore battle-tested patterns, local latency realities in Norway, and the infrastructure needed to support distributed systems in 2019.

coolvds.com › Blog › DevOps & Infrastructure

Stop Guessing: A Battle-Hardened Guide to APM and Infrastructure Visibility in 2019

· CoolVDS Team

Is your application slow, or is it the network? In this deep dive, we move beyond 'top' and implement a full Prometheus + Grafana stack on Ubuntu 18.04. We analyze disk I/O latency, debug MySQL bottlenecks, and explain why hosting location in Norway matters for your metrics.

coolvds.com › Blog › DevOps & Infrastructure

Deconstructing Microservices: Architecture Patterns for High-Performance Infrastructure

· CoolVDS Team

Microservices aren't a silver bullet; they're a complex trade-off between agility and operational chaos. This guide explores the critical patterns—API Gateways, Circuit Breakers, and Service Discovery—needed to survive the transition in 2019, specifically within the context of Nordic network constraints.

coolvds.com › Blog › DevOps & Infrastructure

GitOps in Production: Stop `kubectl apply`-ing Yourself to Failure

· CoolVDS Team

Manual deployments are the root cause of infrastructure drift. Learn how to implement a rigid GitOps workflow using Kubernetes and GitLab CI, ensuring your Norwegian infrastructure remains compliant and stable.

coolvds.com › Blog › DevOps & Infrastructure

Microservices in Production: Survival Patterns for 2019

· CoolVDS Team

Moving from monolith to microservices requires more than just Docker. We analyze critical architecture patterns, Nginx configurations, and the hardware reality check needed to keep latency low in Norway.

coolvds.com › Blog › DevOps & Infrastructure

Kubernetes Networking Deep Dive: Surviving the Packet Jungle in Production

· CoolVDS Team

Kubernetes networking is not magic—it's a complex layer of iptables, CNI plugins, and encapsulation. In this 2019 guide, we dissect the flow of a packet, debug CoreDNS latency, and explain why high-performance KVM instances are critical for network stability.

coolvds.com › Blog › DevOps & Infrastructure

GitOps in Production: Stop `kubectl apply` from Ruining Your Weekend

· CoolVDS Team

Manual deployments are a ticking time bomb. Learn how to implement a rigorous GitOps workflow in 2018 using Kubernetes and GitLab CI, ensuring your infrastructure is as version-controlled as your code. Optimized for Norwegian data standards.