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From Christopher <>
Subject Re: Hadoop 2.0 Support for Accumulo 1.4 Branch
Date Fri, 15 Nov 2013 00:36:28 GMT
On Tue, Nov 12, 2013 at 4:49 PM, Sean Busbey <> wrote:
> On Tue, Nov 12, 2013 at 3:14 PM, William Slacum <
>> wrote:
>> The language of ACCUMULO-1795 indicated that an acceptable state was
>> something that wasn't binary compatible. That's my #1 thing to avoid.
> Ah. So I see, not sure why I phrased that that way. Since the default build
> should still be, I'm not sure how it'd end up not being binary
> compatible. I can update the ticket to clarify the language. Any need to
> compile should be limited to running Hadoop 2.2.0.
> Sound good?

(The confusing wording was the basis for my concerns also.)

>> > Maybe expressly only doing a binary convenience package for
>> >
>> If we need an extra package, doesn't that mean a user can't just upgrade
>> Accumulo?
> By "binary convenience package" I mean the binary distribution tarball (or
> rpms, or whatevs) that we make as a part of the release process. For users
> of Hadoop, upgrading should be unchanged from how they would
> normally get their Accumulo 1.4.x distribution.
> ACCUMULO-1796 has some leeway about the convenience packages for people who
> want Hadoop 2 support. On the extreme end, they'd have to build from source
> and then run a normal upgrade process.

I'd prefer binary compatibility with a single build, but if that's too
hard to achieve, I have no objection to providing a mechanism to
perform an alternate build against 2.x (whether or not we provide a
pre-built binary package for it), so long as the default build is

Christopher L Tubbs II

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