Clark Gaebel
I didn't even know people used JSON to store millions of integers. It sounds like fun.
Actually, JSON is quite convenient if you need a standardized common interchange format between Python, Ruby, JS et al. based components as it directly maps to a common subset of primitive data-structure available in those languages (i.e. bool,strings,numbers,arrays,objects) and also very efficient JSON decoders are available by now (maybe even part of the respective standard library) So I'm actually struggling myself to find a way to get large JSON text parsed in Haskell with a comparable memory footprint to e.g. Python. As for generating large JSON document, I've found in 'json-builder' a more memory efficient alternative to 'aeson'.