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coolvds.com › Blog › Hosting Solutions

Stop Sharing Your Kernel: Why KVM is the Only Choice for Production Workloads

· CoolVDS Team

Tired of unpredictable load averages and 'noisy neighbors'? We dive into the KVM vs. OpenVZ debate, benchmark the new Intel Nehalem architecture, and explain why true hardware virtualization is non-negotiable for serious database performance in 2009.

coolvds.com › Blog › DevOps & Infrastructure

Kubernetes vs. Docker Swarm: A 2017 Survival Guide for Nordic Ops

· CoolVDS Team

We compare Kubernetes 1.6 and Docker Swarm Mode for production workloads. Discover why underlying KVM infrastructure and NVMe storage are critical for container performance in the looming GDPR era.

coolvds.com › Blog › DevOps & Infrastructure

Escaping the Vendor Lock-in Trap: A Pragmatic Hybrid Cloud Strategy for 2017

· CoolVDS Team

Multi-cloud isn't just a buzzword; it's an economic necessity. We analyze the TCO of splitting workloads between hyperscalers and local high-performance KVM instances, focusing on latency, GDPR preparedness, and raw NVMe performance.

coolvds.com › Blog › DevOps & Infrastructure

High-Throughput API Gateways: Nginx Tuning & NVMe Architecture for Nordic Traffic

· CoolVDS Team

Latency isn't just network distance; it's disk I/O and kernel locks. We dissect the 2016 stack for high-performance API Gateways, focusing on Nginx tuning, TCP stack optimization on CentOS 7, and why NVMe storage is the only viable option for serious workloads.

coolvds.com › Blog › DevOps & Infrastructure

The Orchestration Wars 2016: Kubernetes 1.4 vs. Docker Swarm Mode

· CoolVDS Team

It is late 2016, and the battle for container dominance has shifted from the runtime to the cluster. We benchmark Kubernetes, Docker Swarm, and Mesos to see which solution actually survives production workloads in the Norwegian market.

coolvds.com › Blog › Database Management

Zero-Downtime Database Migration: A Battle Plan for Norwegian Systems

· CoolVDS Team

Migrating live production databases without killing your SLA requires military precision. Here is the exact replication strategy and my.cnf tuning we use to move heavy I/O workloads across the Nordic infrastructure.

coolvds.com › Blog › DevOps & Infrastructure

Beyond the Hype: Pragmatic Serverless Patterns for Norwegian Enterprises

· CoolVDS Team

AWS Lambda and the 'Serverless' movement are dominating headlines in 2015, but is the technology ready for mission-critical Nordic workloads? We analyze the latency trade-offs, vendor lock-in risks, and hybrid architectures that combine FaaS agility with the raw power of KVM virtualization.

coolvds.com › Blog › Database Management

Zero-Downtime Database Migration: A Survival Guide for Nordic Sysadmins

· CoolVDS Team

Database migrations are 'resume-generating events' if they fail. Learn how to move MySQL 5.6 production workloads with minimal downtime using replication and SSH tunnels, specifically optimized for Norway's infrastructure.