Drupal Performance Agency

The Drupal Performance Agency is a group of independent companies and consultants who are dedicated to improving Drupal performance.

Mission:

To provide unparalleled, on-demand performance consulting for Drupal-based projects
To improve the Drupal project to scale to support extremely high-demand environments
To assist in systems architecture planning for organizations deploying high-demand Drupal systems
Document and publish performance architectures and best practices
Work on high performance projects because it's lots of fun

Performance checklist: The performance checklist is designed to help you define an effective strategy for scaling your Drupal powered website.
Page Load Time Worksheet: The page load time worksheet will help you to isolate and fix bottlenecks affecting your page load times.
MySQL Tuning Worksheet: The MySQL worksheet will help you to monitor your MySQL database to isolate and fix performance bottlenecks.
InnoDB Performance Worksheet: The InnoDB worksheet will help you to improve performance of MySQL's InnoDB engine.
Load testing worksheet: This worksheet examines some of the popular methods of load testing Drupal installations.
Optimal MySQL Performance for Drupal: Slides from an online presentation. (Audio available in [ogg] and [mp3] format)