hbase-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Yu Li <car...@gmail.com>
Subject Re: [DISCUSS] Bump hadoop versions
Date Mon, 06 Jan 2020 07:35:58 GMT
Looking forward to see the plan of 3.0 :-)

Best Regards,
Yu


On Sat, 4 Jan 2020 at 23:48, Sean Busbey <busbey@apache.org> wrote:

> That's me. I'll update with a plan later in the week.
>
> On Sat, Jan 4, 2020, 09:02 张铎(Duo Zhang) <palomino219@gmail.com> wrote:
>
> > Anyway if we want to start releasing 3.x alpha versions, at least we need
> > to have a release manager... Dang
> >
> > Andrew Purtell <andrew.purtell@gmail.com> 于2020年1月4日周六 上午11:38写道:
> >
> > > Releasing HBase 3 snapshots off master would be fine by me.
> > >
> > > > On Jan 3, 2020, at 7:37 PM, Sean Busbey <busbey@apache.org> wrote:
> > > >
> > > > A while back I offered to start making hbase 3 alpha releases so we
> > had
> > > > something we could all refer to in test environments. That offer
> still
> > > > stands.
> > > >
> > > >
> > > > I personally would still rather those releases be off of the master
> > > branch
> > > > because we still have too many branches given our tooling for
> > backports.
> > > >
> > > >> On Fri, Jan 3, 2020, 21:30 Andrew Purtell <andrew.purtell@gmail.com
> >
> > > wrote:
> > > >>
> > > >> Why not start a branch-3 and begin SNAPSHOT releasing of this branch
> > > right
> > > >> now?
> > > >>
> > > >> +1 to dropping Hadoop 2 support in HBase 3. We need the major
> > increment
> > > to
> > > >> make this kind of change, let’s take the opportunity.
> > > >>
> > > >> Regarding Hadoop 2, the discussion I have seen indicates Hadoop
> thinks
> > > it
> > > >> will be releasing 2.x for up to two more years. I don’t know how
> many
> > > >> releases there will actually be but let’s assume at least one more
> > 2.9,
> > > and
> > > >> a few 2.10. My employer is expected to use these versions along a
> > > >> transition path to 3.x for at least the next eighteen months. We are
> > > >> probably typical. We won’t need Hadoop 2 support for a HBase 3 but
> > will
> > > >> need it for HBase 1 and HBase 2 for “a couple years”.
> > > >>
> > > >>>> On Jan 3, 2020, at 6:52 PM, Sean Busbey <busbey@apache.org>
> wrote:
> > > >>>
> > > >>> I personally like having Hadoop 2 support still, but I agree
the
> > > cadence
> > > >>> out of Hadoop has been problematic.
> > > >>>
> > > >>> I would prefer we not change the state of Hadoop support in the
> > master
> > > >>> branch until we have a release plan of some kind for HBase 3.
I'd
> > > rather
> > > >>> that be sooner rather than later.
> > > >>>
> > > >>>> On Fri, Jan 3, 2020, 18:08 张铎(Duo Zhang) <palomino219@gmail.com>
> > > wrote:
> > > >>>>
> > > >>>> Support Hadoop 2.x in 3.0.0 means we need to carry it over
the
> whole
> > > 3.x
> > > >>>> release lines, which seems to be a problem since the Hadoop
> > community
> > > do
> > > >>>> not want to new 2.x release line any more...
> > > >>>>
> > > >>>> Nick Dimiduk <ndimiduk@gmail.com>于2020年1月4日
周六06:55写道:
> > > >>>>
> > > >>>>> On Wed, Dec 25, 2019 at 5:38 PM 张铎(Duo Zhang) <
> > palomino219@gmail.com
> > > >
> > > >>>>> wrote:
> > > >>>>>
> > > >>>>>> We will only remove the hadoop 2.x support from hbase
3.x, which
> > > does
> > > >>>> not
> > > >>>>>> have a formal release plan yet, for 2.x we will still
support
> > hadoop
> > > >>>> 2.x.
> > > >>>>>>
> > > >>>>>
> > > >>>>> Indeed there is no formal release plan for HBase-3.0,
but I hope
> > it's
> > > >>>>> sooner than 2+ years away! What's the motivation for dropping
> > Hadoop2
> > > >>>>> support?
> > > >>>>>
> > > >>>>> Wei-Chiu Chuang <weichiu@apache.org> 于2019年12月26日周四
上午8:57写道:
> > > >>>>>>
> > > >>>>>>> With my Hadoop hat's on, we have not yet officially
declared
> > Hadoop
> > > >>>> 2.8
> > > >>>>>>> EOL. I think the 2.8 download missing from the
web page is
> just a
> > > >>>>>> mistake.
> > > >>>>>>>
> > > >>>>>>> That being said, some of the biggest Hadoop users
(LinkedIn,
> > Yahoo,
> > > >>>>>>> Microsoft) that I am aware of are moving up from
2.7/2.8 to
> 2.10,
> > > and
> > > >>>>>> that
> > > >>>>>>> 2.8.5 (the last version in the 2.8 line) was released
in Sep
> > 2018,
> > > >>>> more
> > > >>>>>>> than a year ago. It doesn't look like the community
has the
> > desire
> > > to
> > > >>>>>>> continue the 2.8 line.
> > > >>>>>>>
> > > >>>>>>> I think it is a little extreme to remove hadoop2
profile, given
> > > that
> > > >>>>>> Hadoop
> > > >>>>>>> 2.9 and 2.10 are still active and I expect Hadoop
2 to stay
> > around
> > > >>>> for
> > > >>>>> at
> > > >>>>>>> least 2 years out.
> > > >>>>>>>
> > > >>>>>>> On Thu, Dec 26, 2019 at 8:41 AM 张铎(Duo Zhang)
<
> > > palomino219@gmail.com
> > > >>>>>
> > > >>>>>>> wrote:
> > > >>>>>>>
> > > >>>>>>>> Hadoop 2.8.x has been removed from the download
page of hadoop
> > so
> > > I
> > > >>>>>> think
> > > >>>>>>>> it is time to bump the hadoop dependency to
2.9.x, on master
> an
> > > >>>>>> branch-2.
> > > >>>>>>>>
> > > >>>>>>>> And the hadoop community is going to make
2.10.x the last
> minor
> > > >>>>> release
> > > >>>>>>>> line for 2.x
> > > >>>>>>>>
> > > >>>>>>>>
> > > >>>>>>>>
> > > >>>>>>>
> > > >>>>>>
> > > >>>>>
> > > >>>>
> > > >>
> > >
> >
> https://lists.apache.org/thread.html/cab84265d632b90d66dcd1ad957a7439a2c76a987c7e62feafb4812e%40%3Ccommon-dev.hadoop.apache.org%3E
> > > >>>>>>>>
> > > >>>>>>>>
> > > >>>>>>>> I think this is a sign that the community
is moving forward to
> > > 3.x.
> > > >>>>> So
> > > >>>>>> I
> > > >>>>>>>> propose we make the master branch hadoop3
only, This requires
> > > >>>>> changing
> > > >>>>>>> the
> > > >>>>>>>> pom a bit to active hadoop3 profile by default
and remove the
> > > >>>> hadoop2
> > > >>>>>>>> profile.
> > > >>>>>>>>
> > > >>>>>>>> Thoughts? Thanks.
> > > >>>>>>>>
> > > >>>>>>>
> > > >>>>>>
> > > >>>>>
> > > >>>>
> > > >>
> > >
> >
>

Mime
  • Unnamed multipart/alternative (inline, None, 0 bytes)
View raw message