This question has been coming up quite regularly now. I've added an entry to the FAQ. Please feel free to expand an clarify. http://wiki.apache.org/cassandra/FAQ#batch_mutate_atomic
Gary. On Mon, Jun 14, 2010 at 06:43, Ran Tavory <[email protected]> wrote: > no, it's not atomic. it just shortens the roundtrip of many update requests. > Some may fail and some may succeed > > On Mon, Jun 14, 2010 at 2:40 PM, Per Olesen <[email protected]> wrote: >> >> Can I expect batch_mutate to work in what I would think of as an atomic >> operation? >> >> That either all the mutations in the batch_mutate call are executed or >> none of them are? Or can some of them fail while some of them succeeds? >> > >
