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From Josh Elser <josh.el...@gmail.com>
Subject Re: Hadoop 2.0 Support for Accumulo 1.4 Branch
Date Tue, 12 Nov 2013 20:48:39 GMT
On 11/12/13, 12:24 PM, Sean Busbey wrote:
> On Tue, Nov 12, 2013 at 1:12 PM, Josh Elser <josh.elser@gmail.com> wrote:
>
>>
>>>
>> To me, it seems like the argument may be coming down to whether or not we
>> break 0.20 hadoop compatibility on a bug-fix release and how concerned we
>> are about letting users lag behind the upstream development.
>>
>>
>>   I think the existing tickets under the umbrella of ACCUMULO-1790 should
>>> ensure that we end up with a single 1.4 line that can work with either the
>>> existing 0.20.203.0 claimed in releases or against 2.2.0.
>>>
>>> Bill (or Josh or Chris), is there stronger language you'd like to see
>>> around docs / packaging (area #3 in the original plan and currently
>>> ACCUMULO-1796)? Maybe expressly only doing a binary convenience package
>>> for
>>> 0.20.203.0? Are you looking for something beyond a full release suite to
>>> ensure 1.4 is still maintaining compatibility on Hadoop 0.20.203?
>>>
>>>
>> Again, my biggest concern here is not following our own guidelines of
>> breaking changes across minor releases, but I'd hope 0.20 users have an
>> upgrade path outlined for themselves.
>>
>
>
> The plan outlined in the original thread, and in the subtasks under
> ACCUMULO-1790, is expressly aimed at not breaking 0.20 compatibility in the
> 1.4 bugfix line. If there's anything we can do besides running through the
> release test suite on a 0.20 cluster to help ensure that, I am interested
> in adding it to the existing plan.
>
>

What about the other half: "encouraging" users to lag (soon to be) two 
major releases behind?

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