Even schema changes *should* work, although to be safe, the less "unusual" stuff you do with a mixed-version cluster, the better.
However, any kind of streaming (bootstrap, node movement, decommission, nodetool repair) will not work. On Tue, Jun 7, 2011 at 10:07 AM, Edward Capriolo <edlinuxg...@gmail.com> wrote: > > > On Tue, Jun 7, 2011 at 10:54 AM, Sasha Dolgy <sdo...@gmail.com> wrote: >> >> Hi, >> >> Good news on the 0.8 release. So ... if I upgrade one node out of four, >> and let it run for a bit ... I should have no issues, correct? If I make >> schema changes, specifically, adding a new column family for counters, how >> will this behave with the other three nodes that aren't upgraded? Or ... >> should schema changes not be done until all nodes are upgraded? >> >> -- >> Sasha Dolgy >> sasha.do...@gmail.com > > Do not make schema changes until the upgrade is complete. It will behave > very poorly I suspect, and you will be sad. > -- Jonathan Ellis Project Chair, Apache Cassandra co-founder of DataStax, the source for professional Cassandra support http://www.datastax.com
