Zero downtime upgrade from 0.94 won't be possible. See http://hbase.apache.org/book.html#d0e5199
On Mon, Dec 15, 2014 at 4:44 PM, Jeremy Carroll <phobos...@gmail.com> wrote: > > Looking for guidance on how to do a zero downtime upgrade from 0.94 -> 0.98 > (or 1.0 if it launches soon). As soon as we can figure this out, we will > migrate over. > > On Mon, Dec 15, 2014 at 1:37 PM, Esteban Gutierrez <este...@cloudera.com> > wrote: > > > > Hi Lars, > > > > Thanks for bringing this for discussion. From my experience I can tell > that > > 0.94 is very stable but that shouldn't be a blocker to consider to > EOL'ing. > > Are you considering any specific timeframe for that? > > > > thanks, > > esteban. > > > > -- > > Cloudera, Inc. > > > > > > On Mon, Dec 15, 2014 at 11:46 AM, Koert Kuipers <ko...@tresata.com> > wrote: > > > > > > given that CDH4 is hbase 0.94 i dont believe nobody is using it. for > our > > > clients the majority is on 0.94 (versus 0.96 and up). > > > > > > so i am going with 1), its very stable! > > > > > > On Mon, Dec 15, 2014 at 1:53 PM, lars hofhansl <la...@apache.org> > wrote: > > > > > > > > Over the past few months the rate of the change into 0.94 has slowed > > > > significantly. > > > > 0.94.25 was released on Nov 15th, and since then we had only 4 > changes. > > > > > > > > This could mean two things: (1) 0.94 is very stable now or (2) nobody > > is > > > > using it (at least nobody is contributing to it anymore). > > > > > > > > > > > > If anybody out there is still using 0.94 and is not planning to > upgrade > > > to > > > > 0.98 or later soon (which will required downtime), please speak up. > > > > Otherwise it might be time to think about EOL'ing 0.94. > > > > > > > > It's not actually much work to do these releases, especially when > they > > > are > > > > so small, but I'd like to continue only if they are actually used. > > > > In any case, I am going to spin 0.94.26 with the current 4 fixes > today > > or > > > > tomorrow. > > > > > > > > -- Lars > > > > > > > > > > -- Best regards, - Andy Problems worthy of attack prove their worth by hitting back. - Piet Hein (via Tom White)
