Rebalancing was touched on recently here, http://lists.basho.com/pipermail/riak-users_lists.basho.com/2010-May/001282.html .
On Jun 4, 2010, at 1:08 AM, Alan McConnell wrote: > My (very limited) understanding is that there is a "best effort" attempt to > distribute things wisely, but it is not guaranteed. So in the case you've > specified, no it is not guaranteed that at least two of the three replicas > will go to physically separate nodes. > > I see this in my cluster of 2 nodes with an N-value of 3. If I shutdown one > of the nodes and perform reads (w/ R=1), many of the keys are not found. My > initial expectation was that with a cluster of 2 and N=3, each node would > have at least 1 replica of every key, but that doesn't seem to be the case. > > To anyone that may know: Is there a way to force a re-balancing in a cluster? > > On Thu, Jun 3, 2010 at 9:52 PM, Jason J. W. Williams > <[email protected]> wrote: > Hello, > > I was reading the "So what does N=3 really mean?" section of > https://wiki.basho.com/display/RIAK/Replication#Replication-ReadRepair > ... > > The part where it states that 3 replicas will not necessarily go to 3 > physically separate nodes very much surprised me. Is there any > guarantee at least two of the three replicas will go to physically > separate nodes? > > Will rack-awareness be possible in the future? > > -J > > _______________________________________________ > riak-users mailing list > [email protected] > http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com > > _______________________________________________ > riak-users mailing list > [email protected] > http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com _______________________________________________ riak-users mailing list [email protected] http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com
