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From Sandy Ryza <sandy.r...@cloudera.com>
Subject Re: Plans of moving towards JDK7 in trunk
Date Mon, 23 Jun 2014 20:57:19 GMT
Andrew, correct me if I'm misunderstanding, but the incompatible change
that would require a major version bump is dropping support for JDK6.


On Mon, Jun 23, 2014 at 1:53 PM, sanjay Radia <sanjay@hortonworks.com>
wrote:

>
> On Jun 21, 2014, at 8:01 AM, Andrew Wang <andrew.wang@cloudera.com> wrote:
>
> > This is why I'd like to keep my original proposal on the table: keep
> going
> > with branch-2 in the near term, while working towards a JDK8-based
> Hadoop 3
> > by April next year. It doesn't need to be a big bang release either. I'd
> be
> > delighted if we could rolling upgrade from one to the other. I just
> didn't
> > want to rule out the inclusion of some very compelling feature outright.
> > Trust me though, I'd be the first person to ask about compatibility if
> such
> > a feature does come up.
>
>
> Given your above statement  on compatibility (such as rolling upgrades),
>  it should be fine for the JDK8-based-Hadoop-release to not be 3.0 and
> instead merely be 2.x? Or do you have any incompatible changes to Hadoop
> protocol or APIs in mind during the same time period?
>
> sanjay
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