Drupal Performance Sites

Drupal Performance Reference Sites:

http://drupal.org/project/drupal_tweaks

MySQL Session System Variables
http://dev.mysql.com/doc/refman/5.1/en/server-session-variables.html

SQL Server Modes
http://dev.mysql.com/doc/refman/5.1/en/server-sql-mode.html

Increase PHP memory limit
http://drupal.org/node/207036