The logs will give you some idea, but it's not information that is available as part of a request.
Turn the logging up to DEBUG and watch what happens. You will see the coordinator log where it is sending messages together with some unique identifiers that you will also see logged on the replicas. Cheers ----------------- Aaron Morton Freelance Cassandra Developer @aaronmorton http://www.thelastpickle.com On 7 Jul 2011, at 10:01, A J wrote: > Is there a way to find what all nodes was a write applied to ? It > could be a successful write (i.e. w was met) or unsuccessful write > (i.e. less than w nodes were met). In either case, I am interested in > finding: > Number of nodes written to (before timeout or on success) > Name of nodes written to (before timeout or on success) > > Thanks.