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Posted to notifications@accumulo.apache.org by "John Vines (JIRA)" <ji...@apache.org> on 2013/02/05 22:49:12 UTC
[jira] [Commented] (ACCUMULO-804) Hadoop 2.0 Support
[ https://issues.apache.org/jira/browse/ACCUMULO-804?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13571765#comment-13571765 ]
John Vines commented on ACCUMULO-804:
-------------------------------------
So is this taken care of, since we can build against 2.0 (and have jenkins doing so?)
> Hadoop 2.0 Support
> ------------------
>
> Key: ACCUMULO-804
> URL: https://issues.apache.org/jira/browse/ACCUMULO-804
> Project: Accumulo
> Issue Type: Improvement
> Components: client
> Affects Versions: 1.4.3
> Reporter: Ed Kohlwey
> Assignee: Billie Rinaldi
> Labels: hackathon
> Fix For: 1.5.0
>
>
> We should start thinking about Hadoop 2 support now that it is Cloudera's recommended distribution and many new Hadoop users will probably be adopting it.
> When I investigated this first a few months ago it seemed like the biggest barrier to this was that all the Map/Reduce related tests are implemented using pseudo-private constructors from Hadoop 1.0 that are no-longer present in Hadoop 2.0.
> The main strategy to fix this should probably be to adopt the Map/Reduce cluster test object for testing the various Accumulo input formats instead of instrumenting them directly. I have used this convenience object successfully on tests utilizing MockInstance, so I think it should work fine.
> There may also be some filesystem API issues but I don't think they will be too severe.
> The other main issue is that we will need to actually deploy on Hadoop 1 and 2 and run the integration tests once we start supporting both, so that will be a headache for release testing that we should think through.
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