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coolvds.com › Blog › Database Management

Database Sharding Strategies: Surviving the Write Cliff on High-Traffic Norwegian Apps

· CoolVDS Team

Vertical scaling hits a wall. In this deep dive, we explore range and hash-based sharding strategies for MySQL 5.6, referencing real-world latency constraints across the NIX (Norwegian Internet Exchange) and how to architect data sovereignty before Datatilsynet knocks on your door.

coolvds.com › Blog › Database Management

Database Sharding Strategies: Surviving the Write Cliff in 2013

· CoolVDS Team

When your MySQL primary node hits 100% CPU, vertical scaling stops working. We explore practical horizontal sharding strategies, consistent hashing, and why KVM architecture is non-negotiable for high-IOPS workloads.

coolvds.com › Blog › Database Management

Zero-Downtime Database Migration: A Battle Plan for 2013

· CoolVDS Team

Migrating a live database doesn't have to be Russian Roulette. We explore Master-Slave replication, Percona XtraBackup, and hardware-level optimization to move your data without killing your uptime.

coolvds.com › Blog › Server Administration

KVM vs OpenVZ: Stop Gambling with Your Production Database Performance

· CoolVDS Team

It is 2012, and the era of oversold 'burstable' RAM is over. We dismantle the OpenVZ myth and explain why Kernel-based Virtual Machine (KVM) combined with SSD storage is the only viable path for high-load applications in the Nordic market.

coolvds.com › Blog › Performance Optimization

Stop Killing Your Database: High-Performance Session Caching with Redis

· CoolVDS Team

Is your I/O wait spiking during peak traffic? It's probably your session handler. We break down why file and MySQL-based sessions fail at scale and how to deploy Redis 2.4 for sub-millisecond performance on CentOS 6.

coolvds.com › Blog › DevOps & Infrastructure

The I/O Bottleneck: Why Your "Cloud" Storage Is Slowing Down Your Database

· CoolVDS Team

It is 2011, and the cloud buzzword is everywhere. But if you are running high-load databases on standard VPS hosting, you are likely suffering from the 'noisy neighbor' effect. Here is how to diagnose disk latency and why local RAID-10 beats cheap SANs.

coolvds.com › Blog › Database Management

PostgreSQL 9.0 vs MySQL 5.5: The Database War for High-Traffic Sites

· CoolVDS Team

It's 2011, and the database landscape has shifted. We compare the new PostgreSQL 9.0 replication features against MySQL 5.5's InnoDB performance to help you decide what runs best on Norwegian VPS infrastructure.

coolvds.com › Blog › Database Management

MySQL 5.5 vs. PostgreSQL 9.0: Surviving the Database Wars of 2010

· CoolVDS Team

With Oracle's acquisition of Sun and the release of PostgreSQL 9.0, the database landscape has shifted violently this year. We break down the technical trade-offs between the LAMP stack standard and the ACID-compliant challenger for Norwegian infrastructure.

coolvds.com › Blog › Database Management

MySQL vs PostgreSQL: Choosing the Right Database Engine in 2010

· CoolVDS Team

With Oracle's acquisition of Sun shaking up the open-source world, choosing between MySQL 5.1 and PostgreSQL 9.0 is more critical than ever. We break down the technical differences, performance benchmarks, and why hardware I/O matters more than your SQL syntax.