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coolvds.com › Blog › Database Management

Database Sharding Strategies: Scaling Beyond the Monolith in 2021

· CoolVDS Team

Hit the ceiling on your vertical scaling? We dive deep into practical sharding strategies, key-based vs. range-based architectures, and why local NVMe storage matters for Norwegian data residency.

coolvds.com › Blog › DevOps & Infrastructure

API Gateway Latency: Tuning Nginx for Sub-Millisecond Performance

· CoolVDS Team

Is your API gateway becoming a bottleneck? Learn how to tune the Linux kernel and Nginx for high-throughput, low-latency traffic. We cover file descriptors, TCP stack optimization, and why hardware selection matters more than code in 2020.

coolvds.com › Blog › DevOps & Infrastructure

Orchestration Wars: Kubernetes vs. Swarm vs. Nomad in a Post-Schrems II World

· CoolVDS Team

It is late 2020. Kubernetes has won the marketing war, but does your architecture actually require that level of complexity? We analyze the trade-offs between K8s, Docker Swarm, and HashiCorp Nomad, focusing on overhead, persistence, and why running these on compliant Norwegian NVMe VPS is critical for GDPR.

coolvds.com › Blog › DevOps & Infrastructure

Microservices in Production: Architecture Patterns for Survival (2020 Edition)

· CoolVDS Team

Moving from monolith to microservices isn't just a code change; it's an operational paradigm shift. We dissect critical patterns, necessary infrastructure tuning, and why the Schrems II ruling makes your hosting location more important than ever.

coolvds.com › Blog › DevOps & Infrastructure

Observability vs. Monitoring: Why Your Green Dashboards Are Lying to You

· CoolVDS Team

It is September 2020. Your Nagios checks are green, but customers are complaining about timeouts. We dismantle the difference between monitoring and observability, discuss the impact of Schrems II on your data pipelines, and show you how to self-host the 'Three Pillars' on high-performance infrastructure in Norway.

coolvds.com › Blog › DevOps & Infrastructure

Kubernetes Networking Deep Dive: CNI, IPVS, and Why Latency Kills Clusters

· CoolVDS Team

A battle-hardened guide to optimizing Kubernetes networking in 2020. We strip away the hype to focus on CNI selection, IPVS vs. iptables, and why the Schrems II ruling makes Norwegian infrastructure the only safe bet for your data.

coolvds.com › Blog › DevOps & Infrastructure

Multi-Cloud Architectures in a Post-Schrems II World: A Technical Guide for 2020

· CoolVDS Team

With the Privacy Shield invalidated just days ago, relying on a single US-based cloud is now a compliance nightmare. Here is a pragmatic, code-heavy guide to building a hybrid multi-cloud infrastructure that keeps your data legally grounded in Norway while leveraging global redundancy.