On Thu, Aug 22, 2013 at 9:42 AM, Andrew Purtell <[email protected]> wrote:
> On Wed, Aug 21, 2013 at 10:40 PM, lars hofhansl <[email protected]> wrote: > > > Could one say that 0.98 is to 0.96 what 0.94 is to 0.92? > > Are we planning the same compatibility guarantees - i.e. no downtime > > during an upgrade from any 0.96.x to any 0.98.x release? > > > Sort of. > > A > 0.96 client > should be able to > talk to a 0.98 server, and a mixed 0.96 and 0.98 server environment > should be > possible > as long as the configuration doesn't change. I > f we can introduce HBASE-6721 into 0.96 at some point, then you could set > up placement groups first, and then deploy 0.98 to one placement group, > online migrate the table(s) placed there, stay in this configuration for > days or weeks, and the rest of the cluster and all of the clients would be > fine with that. > > Ohh. That'd be sweet. I don't want to put it in way of a 0.96 though. I want to do a 0.96.0RC0 on Monday so no destabilizations between here and there?. St.Ack
