> As for the atomic increment, I take the answer is 'no, there is no atomic > increment, I have to pull the value to the client and send an update with the > new value'. Saying "atomic increment" is probably confusing. You cannot have Counters, the thing most people would think about when you say "increment", in a collection type.
You can update the values in a map server side. If you can provide a concrete example of what you want to do it may be easier. Cheers ----------------- Aaron Morton Cassandra Consultant New Zealand @aaronmorton http://www.thelastpickle.com On 6/08/2013, at 10:05 PM, Andy Twigg <andy.tw...@gmail.com> wrote: > Counters can be atomically incremented > (http://wiki.apache.org/cassandra/Counters). Pick a UUID for the counter, and > use that: c=map.get(k); c.incr() > > > On 6 August 2013 11:01, Jan Algermissen <jan.algermis...@nordsc.com> wrote: > > On 06.08.2013, at 11:36, Andy Twigg <andy.tw...@gmail.com> wrote: > > > Store pointers to counters as map values? > > Sorry, but this fits into nothing I know about C* so far - can you explain? > > Jan > > > > > -- > Dr Andy Twigg > Junior Research Fellow, St Johns College, Oxford > Room 351, Department of Computer Science > http://www.cs.ox.ac.uk/people/andy.twigg/ > andy.tw...@cs.ox.ac.uk | +447799647538
