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coolvds.com › Blog › DevOps & Infrastructure

Kubernetes vs. Docker Swarm in 2020: A Norwegian Sysadmin’s Reality Check

· CoolVDS Team

It’s 2020. Kubernetes won the war, but Docker Swarm is still fighting for the small battles. We analyze the orchestration landscape, the critical role of NVMe storage for etcd stability, and why data residency in Norway matters more than ever.

coolvds.com › Blog › DevOps & Infrastructure

Service Mesh Implementation: Taming Microservices Chaos with Istio 1.4

· CoolVDS Team

Microservices solve scaling issues but introduce networking nightmares. Learn how to implement Istio 1.4 on Kubernetes to regain control, enforce mTLS, and why underlying infrastructure performance makes or breaks your mesh.

coolvds.com › Blog › Database Management

PostgreSQL 12 Performance Analysis: Optimizing Heavy Workloads on NVMe

· CoolVDS Team

PostgreSQL 12 landed in October 2019 with critical improvements in partitioning and indexing. We analyze the technical implications for high-throughput systems and why underlying hardware latency is your new bottleneck.

coolvds.com › Blog › Performance Optimization

Edge Computing in 2019: Beating the Speed of Light to Oslo

· CoolVDS Team

Physics doesn't negotiate. For Nordic IoT and real-time apps, centralized cloud regions in Frankfurt are simply too far away. Here is how we architect low-latency edge nodes using NVMe and NIX peering.

coolvds.com › Blog › DevOps & Infrastructure

Microservices in Production: Patterns That Won't Wake You at 3 AM

· CoolVDS Team

Breaking the monolith is easy; keeping 50 microservices talking without latency spikes is the real war. We dissect essential patterns like Circuit Breakers and API Gateways, ensuring your distributed system survives the harsh reality of production.

coolvds.com › Blog › DevOps & Infrastructure

eBPF & XDP: Crushing Network Latency on Linux (The 2019 Guide)

· CoolVDS Team

Iptables is choking your throughput. Learn how to use eBPF and XDP to process packets at the driver level, bypass the kernel stack, and secure your CoolVDS infrastructure against DDoS attacks with zero overhead.