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Hadoop >> mail # general >> Rejuvenate Hadoop 0.22 effort


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Re: Rejuvenate Hadoop 0.22 effort
>> About connecting with other projects.
>> HBase is compiling with 0.22.
>
> That is trunk of HBase right? IOW, we don't really have a released version
> that is compatible with .22?

I mean HBase  0.92, which was branched recently.
>> For Pig there is
>> https://issues.apache.org/jira/browse/PIG-2277
>> For Hive created
>> https://issues.apache.org/jira/browse/HIVE-2468
>>
>> The direction with Hive and Pig is to create shim layers for different versions.
>
> IOW, a single build of Hive and Pig being able to communicate
> with different versions of Hadoop?
>
> This is fine, but sound more time consuming than what HBase is
> doing (providing profiles to build against different versions of Hadoop).
>
> Regardless of how time consuming either approach is, I guess my
> fundamental question would be -- do we have any kind of commitment
> from the downstream guys to have a release compatible with .22?
>
> I guess I'm just wondering how these timelines of downstream
> components will affect usability of any Hadoop release (be it .22 or .23).
> Any thoughts on that?
>
> Thanks,
> Roman.
>