+1 also for creating the 3.x branch. Any companies using Hive2 can still work on it. It may be better for branch 2.x and 3.x to depend on pure apache versions instead of cdh versions, since cdh versions may have no updates in the future. (cdp versions are active)
Thanks, Quanlong On Wed, Jan 22, 2020 at 10:14 PM Zoltán Borók-Nagy <borokna...@apache.org> wrote: > +1 > > On Tue, Jan 21, 2020 at 6:48 PM Anurag Mantripragada <anu...@cloudera.com> > wrote: > > > This makes sense. > > +1 > > > > On Tue, Jan 21, 2020 at 9:03 AM Andrew Sherman <asher...@cloudera.com> > > wrote: > > > > > +1 > > > > > > > > > On Tue, Jan 21, 2020 at 8:28 AM Sahil Takiar <takiar.sa...@gmail.com> > > > wrote: > > > > > > > +1 makes sense to me. > > > > > > > > On Mon, Jan 20, 2020 at 4:55 PM Tim Armstrong < > tarmstr...@cloudera.com > > > > > > > wrote: > > > > > > > > > I think this proposal make sense - we've done well in enabling > > parallel > > > > > development for different Hive versions so far, but it is a burden. > > > E.g. > > > > we > > > > > still don't have precommit tests for Hive 3+ (I like that name) > and I > > > > don't > > > > > know that we want to go about making the suite of precommit tests > > even > > > > > larger. > > > > > > > > > > On Fri, Jan 17, 2020 at 4:29 PM Joe McDonnell < > > > joemcdonn...@cloudera.com > > > > > > > > > > wrote: > > > > > > > > > > > I wanted to start a conversation around moving to develop against > > > Hive > > > > 3+ > > > > > > by default. (I describe this as Hive 3+ because it is close to > Hive > > > > > master, > > > > > > which is well beyond any released Hive 3.) There has been > > > considerable > > > > > > development effort towards implementing features integrating > Impala > > > > with > > > > > > Hive 3+ and Hive ACID. This is currently developed under the > > > > > > USE_CDP_HIVE=true configuration while regular development has > > > continued > > > > > > with Hive 2. The Hive 3+ development is now stable enough to be > > used > > > > for > > > > > > regular development. It would be nice to reduce our test and > > > > > compatibility > > > > > > matrix and have a unified development environment. > > > > > > > > > > > > Changing the major version of Hive is a breaking change, so it > > would > > > > > > require an Impala 4.x code line. I have a specific proposal, but > > this > > > > is > > > > > > mainly a frame for getting the discussion going. > > > > > > > > > > > > I propose that we release Impala 3.4.0 and then update master to > > 4.0 > > > > and > > > > > > allow breaking changes until the Impala 4.0 release. The main > > > breaking > > > > > > change would be to set USE_CDP_HIVE=true, enabling Hive 3+ > > > development > > > > by > > > > > > default. The Hive 2 configuration would be removed over time. > Other > > > > > > breaking changes can be proposed and voted on. > > > > > > > > > > > > If there are developers interested in maintaining a 3.x branch, > we > > > can > > > > > > create this branch and add appropriate support to any > > infrastructure > > > > > (e.g. > > > > > > bin/push_to_asf.py) to allow that. > > > > > > > > > > > > Thoughts? > > > > > > > > > > > > Thanks, > > > > > > > > > > > > Joe McDonnell > > > > > > > > > > > > > > > > > > > > > > > -- > > > > Sahil Takiar > > > > Software Engineer > > > > takiar.sa...@gmail.com | (510) 673-0309 > > > > > > > > > >
