Content from 2015-12
Paper summary: Finding a needle in Haystack: Facebook's photo storage by D. Beaver et al. It describes how they deal with the long tail of requests that are not cached by the CDNs.
It would be cool to write webapps in Common Lisp. To do that, you typically need to perform some magic on the server-side. FastCGI is a fairly convenient way to do it and it also works with Common Lisp, albeit, as always, it takes some deciphering.