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coolvds.com › Blog › Database Management

Database Sharding Strategies: The Nuclear Option for Scaling (And How to Survive It)

· CoolVDS Team

Sharding is complex, expensive, and dangerous. It is also the only path left when vertical scaling fails. This guide covers architectural patterns, 2021-era best practices for PostgreSQL and MySQL, and why low-latency infrastructure is non-negotiable for distributed data.

coolvds.com › Blog › Database Management

Zero-Downtime Database Migration: A Survival Guide for Norwegian DevOps

· CoolVDS Team

Migrating a production database shouldn't feel like defusing a bomb. Learn battle-tested replication strategies, specific config tuning for MySQL 8 and PostgreSQL 13, and how to navigate GDPR/Schrems II requirements while keeping your data on Norwegian soil.

coolvds.com › Blog › Database Management

ClickHouse on NVMe: Crushing Big Data Latency for Real-Time Analytics

· CoolVDS Team

Stop killing your primary PostgreSQL instance with analytical queries. We explore deploying ClickHouse 21.x on high-performance NVMe VPS infrastructure to handle billions of rows with sub-second latency, specifically optimized for the Nordic compliance landscape.

coolvds.com › Blog › Database Management

Zero-Downtime Database Migration: A DevOps Survival Guide for 2021

· CoolVDS Team

Migrating production databases is high-risk. Learn battle-tested strategies for MySQL and PostgreSQL migrations, covering replication, NVMe performance tuning, and Norwegian data compliance (GDPR/Schrems II).

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: The Nuclear Option for Scaling High-Traffic Apps in 2020

· CoolVDS Team

Sharding is complex, expensive, and risky. Before you break your database into pieces, maximize your vertical scale with high-IOPS NVMe infrastructure. Here is the battle-hardened guide to sharding MySQL and PostgreSQL without losing your sanity.

coolvds.com › Blog › DevOps & Infrastructure

Disaster Recovery in 2019: Architecture for When the Fjord Freezes Over

· CoolVDS Team

Backups are not a strategy; they are a snapshot. This guide details how to build a hot-standby DR environment on Linux using PostgreSQL 11 streaming replication and Lsyncd, specifically tailored for Norwegian data sovereignty requirements.

coolvds.com › Blog › Database Management

Database Sharding: Breaking the Monolith Without Breaking Production

· CoolVDS Team

Vertical scaling has a ceiling. When your NVMe storage is saturated and replication lag creeps up, it is time to shard. This guide covers practical sharding strategies for MySQL and PostgreSQL, specifically tailored for high-compliance Norwegian environments in 2019.