Thanks for the discussion everyone. I filed HBASE-20501 to ensure everything discussed here happens for 1.5.0.
On Fri, Apr 27, 2018 at 9:19 AM, Stack <[email protected]> wrote: > On Thu, Apr 26, 2018 at 7:31 AM, Sean Busbey <[email protected]> wrote: > > > How do we want to phrase the note to user@hbase? as a heads-up that > > this is a needed change due to the practicalities of having Hadoop as > > a dependency? > > > I think this a good way of phrasing it. > > We'd take the opportunity to remind users about our callout "Replace the > Hadoop Bundled With HBase!" from [1] recommending users upgrade their > Hadoop if < 2.7.1. > > S > > > 1. http://hbase.apache.org/book.html#hadoop > > > > > or as something we're looking for feedback on from the > > user community before we declare consensus reached? > > > > On Thu, Apr 26, 2018 at 8:44 AM, Josh Elser <[email protected]> wrote: > > > +1 no objections here. > > > > > > > > > On 4/24/18 11:37 PM, Andrew Purtell wrote: > > >> > > >> Let's consider branching for HBase 1.5. > > >> > > >> The new feature justifying a minor increment is storage class aware > > >> placement (HBASE-19858), and a required update in Hadoop minimum > > version. > > >> It would be marked experimental. However, some of our Chinese > colleagues > > >> have been running equivalent changes in production for a couple of > years > > >> and all tests I've done with it look positive. > > >> > > >> Hadoop hasn't released 2.6 or below in ages. In all recent > discussions I > > >> have found on their public lists, there are no plans to do so. They > are > > >> still releasing 2.7. Therefore, I think it fair to conclude the > earliest > > >> supported version of Hadoop by the Hadoop community is 2.7, and we can > > >> adopt this position too. When putting together a 1.5.0 release I would > > >> update documentation to reflect that the minimum supported Hadoop > > version > > >> is now 2.7.0, and put a note to this effect in the release notes. > > >> > > >> Are there any concerns? > > >> > > >> Related, a nice to have for the new HBase 1.5 code line would be > > >> successful compilation against Hadoop 2.9, 3.0 and 3.1. > > >> > > >> > > > > > > -- Best regards, Andrew Words like orphans lost among the crosstalk, meaning torn from truth's decrepit hands - A23, Crosstalk
