http://developers.slashdot.org/story/11/07/09/1256241/Facebook-Trapped-In-My
SQL-a-Fate-Worse-Than-Death
"According to database pioneer Michael Stonebraker, Facebook is operating a
huge, complex MySQL implementation equivalent to 'a fate worse than death,'
and the only way out is 'bite the bullet and rewrite everything
<http://gigaom.com/cloud/facebook-trapped-in-mysql-fate-worse-than-death/>
.' Not that it's necessarily Facebook's fault, though. Stonebraker says the
social network's predicament is all too common among web startups that start
small and grow to epic proportions."