1.0 can read 0.6 data files but is not network-compatible, so you need to do an all-at-once upgrade. Additionally, the Thrift api changed started with 0.7; see NEWS.txt for details.
On Wed, Nov 2, 2011 at 6:46 AM, Jake Maizel <j...@soundcloud.com> wrote: > Hello, > We run a medium sized cluster of 12 nodes on 0.6.13 and would like to move > to 1.0. What's the best practices for this? Can we do a rolling upgrade or > does the entire cluster need to be upgraded at once? > Regards, > Jake > > -- > Jake Maizel > Head of Network Operations > Soundcloud > > Mail & GTalk: j...@soundcloud.com > Skype: jakecloud > > Rosenthaler strasse 13, 101 19, Berlin, DE > -- Jonathan Ellis Project Chair, Apache Cassandra co-founder of DataStax, the source for professional Cassandra support http://www.datastax.com
