If you have time, this will show you how counters internally work : http://blip.tv/datastax/counters-in-cassandra-5497678 (video from Sylvain @CassandraSF2011)
If you just want to know what is possible to do or not with counters but not necessary why, better read this http://www.datastax.com/dev/blog/whats-new-in-cassandra-0-8-part-2-counters Alain 2013/8/1 Kanwar Sangha <kan...@mavenir.com> > Hi – We are struggling to understand how the counter family maintains > consistency in Cassandra.**** > > ** ** > > Say Counter1 value is “1” and it is read by 2 clients at the same time who > want to update the value. After both write, it will become “3” ? **** >
