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coolvds.com › Blog › Database Management

Zero-Downtime Database Migrations: A Survival Guide for 2019

· CoolVDS Team

Database migration is the most stressful task in DevOps. This guide details the master-slave replication strategy, specific my.cnf configurations, and why NVMe storage in Oslo is critical for data integrity under GDPR.

coolvds.com › Blog › Database Management

Zero-Downtime Database Migration: The Battle-Tested Strategy for Norwegian Ops

· CoolVDS Team

Stop relying on 'maintenance windows' and hope. This guide details a master-slave replication strategy using Percona XtraBackup on NVMe infrastructure to achieve near-zero downtime migrations, strictly adhering to GDPR and Norwegian data sovereignty standards.

coolvds.com › Blog › Database Management

Zero-Downtime Database Migration: A 2018 Survival Guide for Norwegian DevOps

· CoolVDS Team

Migrating a TB-scale database without killing your SLA requires military precision. We break down the master-slave replication strategy, Percona XtraBackup workflows, and why IOPS is the only metric that matters when moving data across Europe.

coolvds.com › Blog › Database Management

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

· CoolVDS Team

Sharding is complex, dangerous, and sometimes necessary. From ProxySQL 1.4 configurations to application-level routing, here is how to horizontally scale your database architecture without losing data—or your sanity—before the GDPR deadline hits.

coolvds.com › Blog › Database Management

Database Sharding Strategies: Why You Should Probably Scale Up Instead (And How to Shard If You Must)

· CoolVDS Team

It is April 2018. GDPR is looming, your master database is choking on IOPS, and you think sharding is the answer. As a battle-hardened sysadmin, I'm here to tell you: upgrading your vertical stack on CoolVDS is usually smarter. But if you truly have 'Facebook-scale' problems, here is the manual on how to shard without destroying your data integrity.