[[!comment format=mdwn username="http://joeyh.name/" ip="209.250.56.64" subject="comment 3" date="2013-12-02T19:11:27Z" content=""" HongoDB doesn't build with current hackage. keyvaluehash passed some inital load etc tests. The inability to delete old keys/values might not be a significant problem. However I don't think it has any ACID guarantees; eg a crash at the wrong time could leave the database in some inconsistent state. """]]