Generally speaking, if you have 2GB of data, why would you want it inside a protobuf, or worse, json? You clearly aren't going to open it in a text editor or s

Generally speaking, if you have 2GB of data, why would you want it inside a protobuf, or worse, json? You clearly aren't going to open it in a text editor or send it over ajax - just put the bulk of data as a separate binary blob, and your code won't have to scan 2GB to find the end of a string.