So, FoundationDB has released version 1.0.2 already. If you haven't heard about FoundationDB, it is basically a key-value storage with strong transaction support and rich built-in data model.
FoundationDB deals with bytes directly, this is like HBase.
Java SDK:
libraryDependencies += "com.foundationdb" % "fdb-java" % "1.0.0"
Hello World example in Scala
https://github.com/yuanw/foundation-DB-tutorial
