Eblob is an append-only low-level IO library, which saves data in blob files. It was originally created for elliptics distributed storage as low-level backend.
Reverbrain wiki: http://doc.reverbrain.com/eblob:eblob
Homepage: http://www.reverbrain.com/eblob/
Elliptics: http://www.reverbrain.com/elliptics/