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coolvds.com › Blog › DevOps & Infrastructure

Escaping the AWS Trap: Building a Resilient Multi-Cloud Strategy in 2017

· CoolVDS Team

Vendor lock-in is the silent killer of agility. With GDPR enforcement looming in 2018, reliance on a single US provider is a strategic risk. Here is how to architect a hybrid solution using KVM, HAProxy, and Terraform.

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

API Gateway Performance Tuning: Nginx, Lua, and the 10ms Goal

· CoolVDS Team

A battle-hardened guide to tuning your API Gateway for maximum throughput and minimal latency using 2017's best practices. From sysctl kernel tweaks to upstream keepalives, we dissect the stack.

coolvds.com › Blog › DevOps & Infrastructure

API Gateway Tuning: Squeezing Milliseconds Out of Nginx & OpenResty

· CoolVDS Team

Latency is the silent killer of microservices. In this deep dive, we bypass default settings to tune the Linux kernel, optimize SSL handshakes, and configure Nginx for raw throughput on high-performance KVM infrastructure.

coolvds.com › Blog › Cloud Computing

The Hybrid Cloud Reality: Why Your Data Needs a Norwegian Passport

· CoolVDS Team

It is November 2016. Safe Harbor is dead, Privacy Shield is shaky, and AWS latency to Oslo is still physical. Here is a battle-tested architecture for keeping data legal and fast using CoolVDS and Terraform.

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 › 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

Stop Monitoring, Start Observing: Why Your Green Dashboard is Lying to You

· CoolVDS Team

It is August 2016, and the old way of monitoring servers is dead. 'Is it up?' is the wrong question. We dive into the shift towards whitebox monitoring, ELK stacks, and Prometheus 1.0 to debug the 'unknown unknowns' on your VPS.

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.