On Thu, Jan 29, 2015 at 6:15 AM, Sibbald, Charles <charles.sibb...@bskyb.com > wrote:
> I am looking into the possibility of upgrading from Cassandra 1.2.14 to > Cassandra 2.1 in the following manor. > https://engineering.eventbrite.com/what-version-of-cassandra-should-i-run/ > I have a large Cassandra cluster with dozens of nodes, and would like to > build new instances at version 2.1 to join the cluster and once they have > successfully joined the rink these should then stream data in. > > Once they have fully joined the cluster I would like to decommission a > single Cassandra 1.2.14 instance, and repeat. > This is an unsupported operation. I would upgrade (to most-recent-release of 2.0) first, then swap out instances with a technique like : https://engineering.eventbrite.com/changing-the-ip-address-of-a-cassandra-node-with-auto_bootstrapfalse/ =Rob
