This is pretty well covered in this presentation: http://www.slideshare.net/fehguy/migrating-from-mysql-to-mon...
A few unanswered questions (sharding? Looks like none to me), but a good bit of numbers and specifics on their current setup.
A few unanswered questions (sharding? Looks like none to me), but a good bit of numbers and specifics on their current setup.
This article also has some details: http://www.royans.net/arch/mongodb-migration-from-mysql-at-w...