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coolvds.com › Blog › DevOps & Infrastructure

Observability vs Monitoring: Why Your "Green" Dashboard is Lying to You

· CoolVDS Team

Monitoring tells you the server is online. Observability tells you why the checkout API is failing for users in Bergen. In this deep dive, we move beyond simple uptime checks to implement full-stack observability using OpenTelemetry, Prometheus, and Grafana on high-performance infrastructure.

coolvds.com › Blog › DevOps & Infrastructure

Observability vs Monitoring: Why Your Green Dashboard is Lying to You

· CoolVDS Team

It is 2023. If you are still relying solely on uptime checks and CPU graphs, you are flying blind. We dissect the transition to full observability using OpenTelemetry, Prometheus, and the specific infrastructure requirements needed to handle high-cardinality data in a GDPR-compliant Norwegian environment.

coolvds.com › Blog › DevOps & Infrastructure

Edge Computing in 2023: Why Proximity to Oslo Matters More Than Raw Compute

· CoolVDS Team

Latency isn't just a metric; it's a liability. We explore real-world edge computing use cases in Norway, from IoT data aggregation to GDPR-compliant caching, and why deploying closer to the Norwegian Internet Exchange (NIX) is the smart architectural move.

coolvds.com › Blog › DevOps & Infrastructure

CI/CD Pipelines Are Dying on Cheap Disk I/O: A 2022 Survival Guide

· CoolVDS Team

Slow builds aren't just annoying; they bleed budget. Discover how to identify I/O bottlenecks, optimize Docker layer caching, and why NVMe storage is non-negotiable for serious DevOps in the Nordic market.

coolvds.com › Blog › DevOps & Infrastructure

Service Mesh Survival Guide: Implementing Istio on Bare-Metal K8s in 2022

· CoolVDS Team

Microservices solve complexity but introduce chaos. This guide covers the practical implementation of Istio 1.15, the hidden 'sidecar tax' on CPU resources, and why hosting infrastructure in Norway matters for latency-sensitive meshes.

coolvds.com › Blog › Database Management

Database Sharding Strategies: Escaping the Single-Master Bottleneck

· CoolVDS Team

A battle-hardened guide to horizontal scaling in 2022. We analyze when to shard, how to implement geo-partitioning for GDPR compliance in Norway, and why underlying hardware latency dictates distributed database success.

coolvds.com › Blog › DevOps & Infrastructure

Latency Kills: Why Edge Computing in Norway Beats the Centralized Cloud

· CoolVDS Team

Physics is undefeated. For Norwegian businesses, relying on 'eu-central-1' creates unavoidable latency. We explore practical edge computing use cases, NIX peering, and the server configs needed to handle real-time data in 2022.