TCP Performance problems caused be interaction between Nagle's Algorithm and Delayed ACK
a paper describing a case where delayed ack can decrease performance. Very similar to what we've encountered at CAIA
Making Rails Go Vroom
Mac OS X Network Tuning Guide Revisited | Mac Geekery
talks about why reno/newreno can be bad on gigabit networks. Suggests it might be best to disable them and let SACK handle congestion.
Joyeur: Quick wins with MySQL
performance tips fro mysql
The Great Ruby Shootout | Zen and the Art of Ruby Programming
assert_efficient_sql - O'Reilly Ruby
rails plugin that can detect inefficient queries in test cases
Ryan's Scraps: What's New in Edge Rails: Simpler Conditional Get Support (ETags)
ongoing · Tasty Rails ETags
Send files faster with X-Sendfile | John Guenin
New Nginx.conf with optimizations
sample nginx config for rails apps
NginxXSendfile - Nginx Wiki
X-Accel-Redirect, nginx's X-Sendfile equiv
InfoQ: EventMachine: Fast and Scalable Event-Driven I/O Framework
Square root of x divided by zero: The speed, size and dependability of programming languages
Coffee Powered » Fine tuning your garbage collector
MySQL :: A Quick Look at MySQL 5.4
info on some nice changes coming in MySQL 5.4, particuarly subquery optimisations
That’s Not a Memory Leak, It’s Bloat | Engine Yard Blog
Client HTTP Caching in Rails - igvita.com
The C10K problem
It's time for web servers to handle ten thousand clients simultaneously, don't you think? After all, the web is a big place now.
High Scalability - High Scalability - How Ravelry Scales to 10 Million Requests Using Rails
some more interesting data on Ravelry
Why Events Are A Bad Idea (for high-concurrency servers)
Ben Strong's Blog: Google and Microsoft Cheat on Slow-Start. Should You?
Whose house is of glasse, must not throw stones at another. « jg's Ramblings
Performance Calendar » PNG that works
the Performance Golden Rule
Stop paying your jQuery tax
How content-based addressing can help web performance
More on Postgres Performance - Craig Kerstiens
The Guide To Understanding mysqlreport
innodb - How large should be mysql innodb_buffer_pool_size? - Database Administrators
Dynamic Site Acceleration & Application Delivery | CDNetworks