Rather than post the same question verbatim, it would be more useful if you explained what you still don't understand after Alexander and Sandeep's explanations on the google group.
(http://groups.google.com/group/cassandra-user/browse_thread/thread/4330e415e959e9d9) On Thu, Jun 25, 2009 at 9:11 AM, Harold Lim<[email protected]> wrote: > > Hi All, > > I posted a similar message on the google groups page. Hopefully, I'll get > more feedback here. > > > I just started reading about dynamo and Cassandra and I am thinking > about possibly using cassandra for my system. > > I was reading the dynamo paper and they mentioned about a preference > list for a particular key. Is this preference list configurable? > > How does Cassandra choose which nodes are in the preference list? > Also, are the number of replica for each key/column configurable? For > example, can I set the replication factor per key/value? > > I read that Cassandra has optimistic replication. What exactly does > that mean? Underneath the hood, how does cassandra maintain/detect the > number of replicas? Does it aggressively replicates an item, when it > detects that the number of replica of a particular item goes below the > specified repliation factor? > > Is the replication strategy (when to replicate, aggresiveness, etc) > configurable too? > > > > > > > Thanks, > Harold > > > >
