Came across an interesting post by Bret (co-founder of FriendFeed) about how
FriendFeed uses MySQL to store "schema-less"
data. According to the post, they weren't having issues with
scaling existing features but rather they were experiencing pain
when trying to add features.
Now the way they are using MySQL is interesting and bizarre at the same time. At a very high level, it seems their approach is to use a RDBMS as if it is a …