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coolvds.com › Blog › DevOps & Infrastructure

Beyond Green Lights: Why "Up" Status is a Lie and Metrics are the Truth

· CoolVDS Team

Nagios says your server is fine, but your customers are timing out. In 2013, binary monitoring isn't enough. Here is how to implement deep metrics collection using Graphite, StatsD, and SSD-backed infrastructure in Norway.

coolvds.com › Blog › DevOps & Infrastructure

Beyond Nagios: Why "Green Status" Doesn't Mean Your Stack is Healthy

· CoolVDS Team

It is June 2013. The PRISM scandal is fresh, and your Nagios dashboard says 'OK', but customers are churning. We dissect the difference between standard monitoring and deep system introspection using Graphite, StatsD, and Logstash on high-performance KVM architecture.

coolvds.com › Blog › Database Management

Database Sharding Strategies: Surviving the Write Cliff on High-Traffic Norwegian Apps

· CoolVDS Team

Vertical scaling hits a wall. In this deep dive, we explore range and hash-based sharding strategies for MySQL 5.6, referencing real-world latency constraints across the NIX (Norwegian Internet Exchange) and how to architect data sovereignty before Datatilsynet knocks on your door.

coolvds.com › Blog › DevOps & Infrastructure

Beyond Green Lights: Why Standard Monitoring Fails High-Performance Systems

· CoolVDS Team

Nagios says your server is 'OK', but your users are timing out. In this deep dive, we explore the shift from basic monitoring to deep system instrumentation (observability) using 2013's best tools like Graphite, StatsD, and raw Linux utilities.

coolvds.com › Blog › Database Management

Database Sharding Strategies: Surviving the Write Cliff in 2013

· CoolVDS Team

When your MySQL primary node hits 100% CPU, vertical scaling stops working. We explore practical horizontal sharding strategies, consistent hashing, and why KVM architecture is non-negotiable for high-IOPS workloads.

coolvds.com › Blog › Security & Compliance

Surviving the Kernel Panic: A Manual for Disaster Recovery in 2013

· CoolVDS Team

Hardware fails. RAID controllers degrade. In this guide, we bypass the marketing fluff and deploy a battle-tested Disaster Recovery plan using MySQL replication, Rsync, and Norwegian infrastructure laws.