On Sun, Feb 20, 2011 at 1:36 PM, Aaron Morton <aa...@thelastpickle.com> wrote: > > On 19/02/2011, at 10:24 AM, Anthony John <chirayit...@gmail.com> wrote: > > > > Fact as i understand them:- > > - A write call to db triggers a number of async writes to all nodes where > > the particular write should be recorded (and the nodes are up per Gossip and > > so on) > > - Once desired CL number of writes acknowledge - the call returns > > AFAIK the write across the dc is sync as well.
Anthony was correct: writes are asynchronous at the lowest level, and then we pick which to block for based on CL. > I think there I'd a ticket out there to make them asnc, take a look at Jira. You may be thinking of https://issues.apache.org/jira/browse/CASSANDRA-1530, which was completed for 0.7.1 but didn't change a/sync behavior. -- Jonathan Ellis Project Chair, Apache Cassandra co-founder of DataStax, the source for professional Cassandra support http://www.datastax.com
