> I'm looking at > http://wiki.apache.org/cassandra/Counters > > So, the counter feature -- it doesn't seem to count rows based in criteria, > such as index condition. Is that correct?
Yes, it's just about supporting counters in and of themselves (which is non-trivial in a distributed system). It is unrelated to counting rows or columns, unless the application happens to use them for that. -- / Peter Schuller