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coolvds.com › Blog › Performance Optimization

API Gateway Tuning: Squeezing Microseconds Out of Nginx & Kong in 2021

· CoolVDS Team

Stop blaming your backend code for high latency. Learn how to tune kernel parameters, optimize Nginx workers, and leverage NVMe-backed KVM instances to handle 10k+ RPS with sub-millisecond overhead in a post-Schrems II landscape.

coolvds.com › Blog › DevOps & Infrastructure

Preparing for the API Apocalypse: Kubernetes 1.22 Deprecations & The End of v1beta1

· CoolVDS Team

Kubernetes 1.22 is scheduled for release later this year, and it brings a hard stop to many beta APIs. If your Ingress or CRD manifests still use legacy versions, your deployments will fail. Here is a battle-plan for Norwegian DevOps teams to migrate before the deadline.

coolvds.com › Blog › DevOps & Infrastructure

Surviving the Spike: High-Fidelity Infrastructure Monitoring at Scale

· CoolVDS Team

Most monitoring setups fail exactly when you need them: during high-load incidents. Here is how to architect a resilient Prometheus and Grafana stack on dedicated NVMe resources, ensuring visibility when the rest of the world goes dark.

coolvds.com › Blog › Database Management

Database Sharding Architectures: Scaling Beyond the Monolith in 2021

· CoolVDS Team

Vertical scaling has a ceiling. When your NVMe storage is saturated and connections hang, it's time to shard. This guide covers practical sharding strategies for MySQL and PostgreSQL, specifically tailored for high-availability setups in the Nordic region.

coolvds.com › Blog › DevOps & Infrastructure

Disaster Recovery in 2021: Surviving Schrems II and Server Failures

· CoolVDS Team

Post-Schrems II, your disaster recovery plan isn't just about uptime—it's about sovereignty. Here is how to architect a compliant, low-latency DR strategy in Norway using Ansible, Restic, and NVMe infrastructure.