Re: data model and queries.

Every system has its limits. When you say to imagine there are billions of users without providing any other real data, it limits the discussion strictly to the hypothetical (and hyperbolic, usually). The only reasonable answer we could provide would be about the types of limitations we know about

data model and queries.

I am trying to find out if Cassandra will fill my needs. I have a data model similar to below. Users = { //ColumnFamily user1 = { //Key for Users ColumnFamily message1 = { //Supercolumn