>I am trying to think why R + W > N is said to be consistent and not R + W = N?
E.g RF of 4 - Write goes to nodes 1/2 and - in R+W=N case - Reads could happen from 3/4. Does your write could be missed! HTH, -JA On Fri, Feb 11, 2011 at 11:37 AM, mcasandra <mohitanch...@gmail.com> wrote: > > Is commit log file maintained on every node that's responsible to keep key > ranges? So if Key A is supposed to go to Node, 1,2,3 then the commit log > for > Key A will be on each of these nodes? Is this commit log like redo log of > oracle, which is used in case of failure to roll forward/back the writes? > > I am trying to think why R + W > N is said to be consistent and not R + W = > N? > > > -- > View this message in context: > http://cassandra-user-incubator-apache-org.3065146.n2.nabble.com/Basic-Cassandra-Architecture-questions-tp6014218p6016607.html > Sent from the cassandra-u...@incubator.apache.org mailing list archive at > Nabble.com. >