Published on 2014-03-03 by John Collins. Please follow me on Twitter for more:
AddThis have open sourced their large-scale data processing solution "Hydra":
FLOSS Weekly covered this in a podcast recently, that included Chris Burroughs the engineer at AddThis who lead the effort to open source Hydra:
It looks like an interesting tool for processing large volumes of data, I'm really looking forward to playing with this. Kudos to AddThis for releasing it.