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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

API Gateway Latency: Tuning Nginx for Sub-Millisecond Performance

· CoolVDS Team

Is your API gateway becoming a bottleneck? Learn how to tune the Linux kernel and Nginx for high-throughput, low-latency traffic. We cover file descriptors, TCP stack optimization, and why hardware selection matters more than code in 2020.

coolvds.com › Blog › Database Management

Database Sharding Strategies: Breaking the Monolith Without Breaking Production

· CoolVDS Team

Vertical scaling has a ceiling. When your InnoDB buffer pool exceeds physical RAM and NVMe I/O waits spike, it is time to talk about sharding. We explore application-level versus middleware-based sharding strategies relevant for high-traffic European workloads in 2020.

coolvds.com › Blog › DevOps & Infrastructure

Crushing API Latency: Gateway Tuning from the Oslo Trenches

· CoolVDS Team

Latency isn't just a metric; it's a business killer. Learn how to tune the Linux kernel and Nginx for high-throughput API gateways, and why hardware isolation is your only defense against jitter.

coolvds.com › Blog › DevOps & Infrastructure

Service Mesh Implementation: Taming Microservices Chaos with Istio 1.4

· CoolVDS Team

Microservices solve scaling issues but introduce networking nightmares. Learn how to implement Istio 1.4 on Kubernetes to regain control, enforce mTLS, and why underlying infrastructure performance makes or breaks your mesh.

coolvds.com › Blog › DevOps & Infrastructure

Deconstructing Microservices: Architecture Patterns for High-Performance Infrastructure

· CoolVDS Team

Microservices aren't a silver bullet; they're a complex trade-off between agility and operational chaos. This guide explores the critical patterns—API Gateways, Circuit Breakers, and Service Discovery—needed to survive the transition in 2019, specifically within the context of Nordic network constraints.