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coolvds.com › Blog › DevOps & Infrastructure

API Gateway Performance Tuning: Surviving the Thundering Herd in 2021

· CoolVDS Team

Stop blaming your code for latency spikes. We dive deep into Linux kernel tuning, Nginx optimization, and the critical role of NVMe storage for API gateways handling high concurrency in the post-Schrems II era.

coolvds.com › Blog › DevOps & Infrastructure

Kubernetes vs. Swarm in 2021: Stop Over-Engineering Your Infrastructure

· CoolVDS Team

It is August 2021. Everyone wants Kubernetes, but few need the headache. We benchmark orchestration overhead, analyze the Schrems II impact on hosting choices, and explain why high-IOPS NVMe is non-negotiable for etcd stability.

coolvds.com › Blog › Database Management

Database Sharding at Scale: Surviving the Write Cliff in 2021

· CoolVDS Team

Stop throwing RAM at your bottleneck. A technical deep dive into horizontal scaling strategies, GDPR-compliant data locality, and why NVMe I/O is your lifeline before you shard.

coolvds.com › Blog › Database Management

Database Sharding Architectures: When Vertical Scaling Fails and How to Survive the Split

· CoolVDS Team

Sharding is the nuclear option of database scaling. It introduces complexity, latency, and maintenance nightmares. But when your primary key integer overflows and your IOPS hit the ceiling, it's the only path left. Here is the battle-tested guide to implementing sharding on high-performance infrastructure without losing data.

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 › 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 › 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.