Is the on-disk format already settled? I've thought to try betas but impossibility to upgrade to 1.1 release stopped me.
2012/4/13 Sylvain Lebresne <sylv...@datastax.com> > The Cassandra team is pleased to announce the release of the first release > candidate for the future Apache Cassandra 1.1. > > -- Best regards, Vitalii Tymchyshyn