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coolvds.com › Blog › Performance Optimization

API Gateway Survival Guide: Tuning Nginx & Kernel for High Concurrency

· CoolVDS Team

Don't let Black Friday traffic melt your API. We examine critical kernel parameters, Nginx worker optimization, and why dedicated KVM resources beat shared containers for consistent throughput in the Nordic market.

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 › Security & Compliance

Automating Infrastructure Compliance: Preparing for the GDPR Era with Ansible

· CoolVDS Team

With the Safe Harbor framework invalidated and new EU regulations looming, manual security hardening is a liability. Learn how to automate server compliance using Ansible on CentOS 7 to satisfy auditors and secure your Nordic infrastructure.

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 › DevOps & Infrastructure

Kubernetes Networking Deep Dive: CNI, Iptables, and Performance in v1.3

· CoolVDS Team

Kubernetes networking is where most clusters fail. In this deep dive, we dissect the CNI landscape of 2016, compare Flannel vs. Calico, and explain why underlying virtualization choice defines your packet throughput.

coolvds.com › Blog › DevOps & Infrastructure

The I/O Trap: Architecting Monitoring Systems for Scale in 2016

· CoolVDS Team

Why your Zabbix or Graphite instance is choking on disk writes, and how to architect a high-availability monitoring stack using NVMe storage and proper database tuning in a post-Safe Harbor Europe.