The Elgg Community: Performance Issues
http://community.elgg.org/mod/groups/topicposts.php?topic=394972&group_guid=7
"I've been profiling some simple page loads and the results are interesting. If you've never used xdebug + cache grind to do PHP profiling, it's amazing the bottlenecks you find...."
Georg Westphalen
a former physician specializing in creative concepts, outrageous comics, hilarious character designs and urban philosophy.