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coolvds.com › Blog › DevOps & Infrastructure

Taming Microservices Chaos: Implementing Linkerd Service Mesh on Bare-Metal Performance

· CoolVDS Team

Microservices solve code complexity but introduce network chaos. In this 2016 guide, we explore the emerging 'Service Mesh' pattern using Linkerd to handle service discovery and circuit breaking without code changes, and why underlying hardware performance is critical for this JVM-heavy architecture.

coolvds.com › Blog › DevOps & Infrastructure

Monitoring Tells You You're Screwed. Observability Tells You Why.

· CoolVDS Team

Nagios alerts might wake you up, but they won't fix your code. In the era of Docker and microservices, we explore the shift from binary monitoring to deep system observability using ELK, Prometheus, and high-performance infrastructure.

coolvds.com › Blog › Database Management

Zero-Downtime Database Migration: A Battle Plan for Norwegian Systems

· CoolVDS Team

Migrating live production databases without killing your SLA requires military precision. Here is the exact replication strategy and my.cnf tuning we use to move heavy I/O workloads across the Nordic infrastructure.

coolvds.com › Blog › Hosting Solutions

The Cloud Hangover: Reducing Infrastructure TCO Without Killing Performance

· Viktor Novak

Cloud adoption was supposed to save us money. Two years later, the CFO is asking why our hosting bill rivals our payroll. Here is a pragmatic look at optimizing spend, rightsizing instances, and why data sovereignty in Norway matters more than ever in 2015.

coolvds.com › Blog › Security & Compliance

LXC vs. KVM: Locking Down Container Security in a Hostile Environment

· CoolVDS Team

It is 2013, and Linux Containers (LXC) are exploding in popularity. But shared kernels mean shared risks. We explore capability dropping, cgroups, and why KVM remains the isolation king for Norwegian enterprise data.