Before I start with this sordid tale of low scalability, I want to thank the guys at Phusion for openly discussing the challenges they’re having with Union Station. They deserve applause and hugs for being transparent with their users.
Today, they wrote about their scaling issues. That article deserves a good read, but I’m going to cherry-pick a few sentences out for closer examination.
via Brent Ozar – RAID 0 SATA with 2 Drives: It’s Web Scale!. Good discussion on scaling you database servers.