To be clear, a rolling restart from 90 to 94 isn't expected to work. But a shutdown and restart ought to. (If not, like Jon said, we'll be fixing it)
-Todd On Wed, Mar 28, 2012 at 10:04 PM, Ramkrishna.S.Vasudevan <[email protected]> wrote: > Thanks Lars and Jon. > > I too expect the same to work. I will try testing it that way. > > Regards > Ram > >> -----Original Message----- >> From: lars hofhansl [mailto:[email protected]] >> Sent: Thursday, March 29, 2012 10:27 AM >> To: [email protected] >> Subject: Re: ANN: The first hbase 0.94.0 release candidate is available >> for download >> >> 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 >> > >>>> >> > >>> > -- Todd Lipcon Software Engineer, Cloudera
