concurrency « cassandra « Java Database Q&A

1. Cassandra = Atomicity/Isolation of Column-Updates on a Single Row on on single Node?

sorry having to ask again something to Cassandra again and I would very much appreciate your adivce: I have read this: and are comletely lost and wondering: Is it really ...

2. C# and concurrency versus Java, how mature are the classes/libs? Could you write cassandra in c#?

I believe C# has come up with some new concurrency based libraries, but how does it compare to Java? Could you build something like Cassandra in C#?