I am not aware of anything that was removed from 0.94 that would prevent that. So to the extent that 0.90 can be upgraded in place to 0.92 it should be possible to upgrade in 0.90 in place to 0.94.
-- Lars ----- Original Message ----- From: Ramkrishna.S.Vasudevan <[email protected]> To: [email protected] Cc: Sent: Wednesday, March 28, 2012 9:44 PM Subject: RE: ANN: The first hbase 0.94.0 release candidate is available for download Is it possible to upgrade from 0.90 to 0.94? Or should I upgrade to 0.92 and then only do a rolling restart to 0.94? Regards Ram > -----Original Message----- > From: [email protected] [mailto:[email protected]] > Sent: Thursday, March 29, 2012 9:50 AM > To: [email protected] > Cc: [email protected] > Subject: Re: ANN: The first hbase 0.94.0 release candidate is available > for download > > I only used 0.94 for 20 minutes :-) > > It worked during that time. So yes to all questions. > > > > On Mar 28, 2012, at 9:14 PM, Stack <[email protected]> wrote: > > > Is it working for you Ted? You going to +1 it? You running on > hadoop 0.22? > > St.Ack > > > > On Wed, Mar 28, 2012 at 6:28 PM, Ted Yu <[email protected]> wrote: > >> The second scenario. > >> > >> Thanks > >> > >> On Wed, Mar 28, 2012 at 6:26 PM, lars hofhansl <[email protected]> > wrote: > >> > >>> HBASE-5258 is not in 0.94. Did you mean a different one? > >>> > >>> Or are you saying that you deployed HBASE-5258 locally to your 0.92 > >>> version, and that that was the reason you could not test rolling > upgrade to > >>> 0.94? > >>> > >>> Thanks. > >>> > >>> -- Lars > >>> > >>> > >>> > >>> ________________________________ > >>> From: Ted Yu <[email protected]> > >>> To: [email protected] > >>> Sent: Wednesday, March 28, 2012 5:11 PM > >>> Subject: Re: ANN: The first hbase 0.94.0 release candidate is > available > >>> for download > >>> > >>> The change was for HBASE-5258 > >>> > >>> Incompatibility was expected. > >>> > >>> Thanks > >>> > >>> On Wed, Mar 28, 2012 at 5:01 PM, Stack <[email protected]> wrote: > >>> > >>>> On Wed, Mar 28, 2012 at 3:54 PM, Ted Yu <[email protected]> > wrote: > >>>>> I planned to perform rolling restart from (our variant of) 0.92 > to > >>> 0.94.0 > >>>>> but found out that some internal changes prevented region server > to > >>> talk > >>>> to > >>>>> 0.94.0 master. > >>>> > >>>> What changes? Do you have logs from that time? > >>>> St.Ack > >>>> > >>>
