well. I'd like to see how many times a specific user hits the site, without having to add them up every time.
On Nov 24, 2009, at 9:47 AM, Ted Zlatanov wrote: > On Mon, 23 Nov 2009 13:45:09 -0600 Jonathan Ellis <jbel...@gmail.com> wrote: > > JE> 1. Increment/decrement: "atomic" is a dirty word in a system > JE> emphasizing availability, but incr/decr can be provided in an > JE> "eventually consistent" manner with vector clocks. There are other > JE> possible approaches but this is probably the best fit for us. We'd > JE> want to allow ColumnFamilies with either traditional (for Cassandra) > JE> long timestamps, or vector clocks, but not mixed. The bad news is, > JE> this is a very substantial change and will probably not be in 0.9 > JE> unless someone steps up to do the work. (This would also cover > JE> "flexible conflict resolution," which came up as well.) > > Just for my benefit, can someone explain the reasons why atomic inc/dec > are needed inside Cassandra if 64-bit time stamps and UUIDs are > available? I have not needed them in my usage but am curious about > other schemas that do. > > Thanks > Ted > -- Ian Holsman i...@holsman.net
