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coolvds.com › Blog › Performance Optimization

Stop Writing to Disk: Accelerating PHP Sessions with Redis 1.2

· CoolVDS Team

Is high I/O wait killing your web application? Default file-based sessions are a bottleneck. Learn how to implement Redis as a session handler to reduce latency and maintain persistence.

coolvds.com › Blog › Cloud Computing

The I/O Bottleneck: Why Your "Cloud" Strategy Might Fail in 2010

· Anna Bergström

It is April 2010. The cloud hype is peaking, but latency and disk I/O remain the silent killers of enterprise applications. Here is a pragmatic look at storage performance, the Personal Data Act, and why local RAID 10 setups often beat overseas clouds.

coolvds.com › Blog › Server Administration

OpenVZ Containers: The Good, The Bad, and The "Failcnt"

· CoolVDS Team

Is your VPS acting sluggish during peak hours? We dive deep into the kernel-level mechanics of OpenVZ, the infamous `user_beancounters`, and why true hardware isolation is the only path for serious Norwegian enterprises.

coolvds.com › Blog › Server Administration

Sleep Soundly: The Paranoid SysAdmin's Guide to Bulletproof Server Backups

· CoolVDS Team

RAID is not a backup. If you accidentally drop a database table at 3 AM, mirroring just replicates the error instantly. Here is how to architect a fail-safe backup strategy using rsync, automysqlbackup, and Norwegian remote storage.

coolvds.com › Blog › DevOps & Infrastructure

The I/O Bottleneck: Why Your "Cloud" Database is Crawling (And How to Fix It)

· CoolVDS Team

It is 2010, and virtualization is taking over, but shared storage is killing your database performance. We analyze the latency hidden in SANs, the rise of SSDs in enterprise hosting, and why keeping your data in Norway matters for compliance and speed.

coolvds.com › Blog › Server Administration

The I/O Bottleneck: Why Your 'Cloud' Storage is Killing Application Performance

· CoolVDS Team

While everyone obsesses over CPU cycles, disk latency is the silent killer of web applications in 2010. We dissect SAN vs. Local RAID-10, analyze the impact of 'noisy neighbors' on shared storage, and explain why hosting your data on Norwegian soil is critical for compliance with Datatilsynet.

coolvds.com › Blog › Security & Compliance

Linux Server Hardening: Survival Guide for 2010

· CoolVDS Team

Stop relying on obscurity. Learn the critical iptables rules, SSH configurations, and kernel tweaks needed to secure your CentOS and Debian servers against modern botnets.

coolvds.com › Blog › Cloud Computing

Stop Trusting Single Spindles: The Architecture of Reliable Storage in 2010

· Anna Bergström

While 'Cloud' becomes the industry buzzword of the year, physical disk failure remains the #1 cause of downtime. We dismantle the 'unlimited storage' myth, benchmark RAID 10 performance vs. cheap RAID 5, and discuss why Norwegian data sovereignty matters under the Personal Data Act.

coolvds.com › Blog › DevOps & Infrastructure

Cloud Storage vs. High-Performance VPS: The 2010 Architecture Guide

· CoolVDS Team

As we approach 2010, the 'Cloud' buzzword is everywhere. But for high-I/O applications, local RAID 10 storage still beats remote object storage. Here is how to architect for speed and compliance in Norway.

coolvds.com › Blog › Performance Optimization

Scaling PHP: Why mod_php is Dead and PHP-FPM is the Future

· CoolVDS Team

Stop wasting RAM with Apache's mod_php. Learn how to implement PHP-FPM with Nginx to handle high concurrency and stabilize your Norwegian hosting infrastructure.