Server Density Blog

Databases & Dragons – battle testing MongoDB Redis with an SSD swap, not what you want Load Balancing without Load Balancers How Balanced does Database Migrations with Zero-Downtime Mir to [...]

Adding Concurrency to Rails Apps with Unicorn Redshift Performance & Cost – Airbnb Engineering Pick holes in your Gemfiles Twelve DevOps Anti-Patterns Mininet: An Instant Virtual Network on your Laptop [...]

Chef: Patterns and Anti-Patterns for Cookbooks, Environments, Roles – Automate All the Things! Getting Started with Salt Stack-the Other Configuration Management System Built with Python SSD Write Endurance Considered… Sufficient [...]

Pagespeed what, why, and how it works Useful knife tricks for #chef A Lesson In Timing Attacks Is this the reason why real apps hire a sysadmin and run their [...]

High Performance Networking in Google Chrome How angry are your Developers? Search your project git logs Slowing down time as a strategy for dealing with overloaded game servers in EVE [...]

This is Sysadmin Sunday, a post of interesting links from throughout the previous week. A close look at how Oracle installs deceptive software with Java updates Deploying Node.js with systemd [...]

Reliable Delivery Pub/Sub Message Queues with Redis The 10 best … Windows Server 2012 features Improving Twitter search with real-time human computation Visualising the Ubuntu Package Repository When EC2 Hardware [...]

MySQL to Redis in One Step High availability load balancing with HAProxy on FreeBSD Janitor Monkey – Keeping the Cloud Tidy and Clean All outages are due to a failure [...]

Using Chrome Dev Tools to improve performance How Evernote serves billions of API requests Performance improvements in Cassandra 1.2 Flickr: Highly Available Real Time Push Notifications and You The Cloud [...]

Analyzing a Complex Cloud Outage MySQL Local/Remote FAST Account Password Cracking Github’s new status site Has DevOps Made a Difference? MongoQP: MongoDB Slow Query Profiler HTTP Headers For Fun & [...]