0.6->0.7 will require a full cluster restart. 0.7->0.8 will require a rolling restart, so long as CASSANDRA-1015 is completed.
keyspace/cf definitions will be readable across major versions, or there will be a way provided to migrate them if that is not possible. Gary. On Wed, Dec 1, 2010 at 19:50, Nick Santini <nick.sant...@kaseya.com> wrote: > Hi, > this is an hypothetical situation highly likely to happen: > I have a cassandra 0.7 cluster, filled with production data, and I want to > upgrade cassandra to the 0.8 version (and so on as new versions get > released) > what happen with my data and keyspace / column families definitions? whats > the process to upgrade cassandra in a production cluster? > > Thahks > > > Nicolas Santini