Changing ring size on 1.4 cluster

Luke Bakken lbakken at basho.com
Wed Jun 1 14:46:12 EDT 2016


Hi Johnny,

Yes, the latter two are your main options. For a 1.4 series Riak
installation, your only option is to bring up a new cluster with the
desired ring size and replicate data.
--
Luke Bakken
Engineer
lbakken at basho.com


On Fri, May 27, 2016 at 12:11 PM, Johnny Tan <johnnydtan at gmail.com> wrote:
> The docs http://docs.basho.com/riak/kv/2.1.4/configuring/basic/#ring-size
> seem to imply that there's no easy, non-destructive way to change a
> cluster's ring size live for Riak-1.4x.
>
> I thought about replacing one node at a time, but you can't join a new node
> or replace an existing one with a node that has a different ring size.
>
> I was also thinking of bring up a completely new cluster with the new ring
> size, and then replicating the data from the original cluster, and take a
> quick maintenance window to failover to the new cluster.
>
> One other alternative seems to be to upgrade to 2.0, and then use 2.x's
> ability to resize the ring.
>
> Are these latter two my main options?
>
> johnny
>
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