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From 张铎 <palomino...@gmail.com>
Subject Re: [DISCUSS] Drop legacy hadoop support at the 2.0 release
Date Thu, 20 Oct 2016 14:53:22 GMT
See HBASE-16887

2016-10-20 22:50 GMT+08:00 Sean Busbey <busbey@cloudera.com>:

> Unfortunately, I think this means we'll need to update the hadoopcheck
> versions to vary by branch.
>
> On Wed, Oct 19, 2016 at 6:21 PM, 张铎 <palomino219@gmail.com> wrote:
> > OK, seems no objection. I will file a issue to modify the hadoop version
> > support matrix.
> >
> > And I think we also need to change the hadoopcheck versions for our
> > precommit check?
> >
> > Thanks all.
> >
> > 2016-10-20 1:14 GMT+08:00 Andrew Purtell <apurtell@apache.org>:
> >
> >> FWIW, we are running 2.7.x in production and it's stable.
> >>
> >>
> >> On Tue, Oct 18, 2016 at 10:18 PM, Sean Busbey <busbey@apache.org>
> wrote:
> >>
> >> > we had not decided yet AFAIK. a big concern was the lack of
> >> > maintenance releases on more recent Hadoop versions and the perception
> >> > that 2.4 and 2.5 were the last big stable release lines.
> >> >
> >> > 2.6 and 2.7 have both gotten a few maintenance releases now, so maybe
> >> > this isn't a concern any more?
> >> >
> >> > On Tue, Oct 18, 2016 at 7:00 PM, Enis Söztutar <enis.soz@gmail.com>
> >> wrote:
> >> > > I thought we already decided to do that, no?
> >> > >
> >> > > Enis
> >> > >
> >> > > On Tue, Oct 18, 2016 at 6:56 PM, Ted Yu <yuzhihong@gmail.com>
> wrote:
> >> > >
> >> > >> Looking at http://hadoop.apache.org/releases.html , 2.5.x hasn't
> got
> >> > new
> >> > >> release for almost two years.
> >> > >>
> >> > >> Seems fine to drop support for 2.4 and 2.5
> >> > >>
> >> > >> On Tue, Oct 18, 2016 at 6:42 PM, Duo Zhang <zhangduo@apache.org>
> >> wrote:
> >> > >>
> >> > >> > This is the current hadoop version support matrix
> >> > >> >
> >> > >> > https://hbase.apache.org/book.html#hadoop
> >> > >> >
> >> > >> > 2016-10-19 9:40 GMT+08:00 Duo Zhang <zhangduo@apache.org>:
> >> > >> >
> >> > >> > > To be specific, hadoop-2.4.x and hadoop-2.5.x.
> >> > >> > >
> >> > >> > > The latest releases for these two lines are about two
years
> ago,
> >> so
> >> > I
> >> > >> > > think it is the time to drop the support of them when
2.0 out.
> >> Then
> >> > we
> >> > >> > > could drop some code in our hadoop-compat module as
we may
> need to
> >> > add
> >> > >> > some
> >> > >> > > code for the incoming hadoop-3.0...
> >> > >> > >
> >> > >> > > Thanks.
> >> > >> > >
> >> > >> >
> >> > >>
> >> >
> >>
> >>
> >>
> >> --
> >> Best regards,
> >>
> >>    - Andy
> >>
> >> Problems worthy of attack prove their worth by hitting back. - Piet Hein
> >> (via Tom White)
> >>
>
>
>
> --
> busbey
>

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