I'm not being cynical. I find the odds of anyone here having intimate knowledge of tumblr's setup to be really low. Aside from someone with that knowledge, you

I'm not being cynical. I find the odds of anyone here having intimate knowledge of tumblr's setup to be really low. Aside from someone with that knowledge, you aren't going to get anything other than speculation and gossip. If you had asked, what are issues that could cause the types of problems that a size w/ tumblr's scope might encounter, that I could understand.