> So the groups are a super column with CategoryId as key, GroupId as
> superColumnName and then columns for the group members.
If this is a new project please consider not using Super Columns. They have
some limitations http://wiki.apache.org/cassandra/CassandraLimitations and are
often slower
I have a set of categories. In these categories I want to add groups of
users. If a user does not specify the group they want to join in a
category, I want to add them to the least subscribed group.
So the groups are a super column with CategoryId as key, GroupId as
superColumnName and then column
