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Posted to dev@mahout.apache.org by "Dmitriy Lyubimov (JIRA)" <ji...@apache.org> on 2011/03/29 19:29:05 UTC

[jira] [Issue Comment Edited] (MAHOUT-637) Remove direct HBase dependency

    [ https://issues.apache.org/jira/browse/MAHOUT-637?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13012556#comment-13012556 ] 

Dmitriy Lyubimov edited comment on MAHOUT-637 at 3/29/11 5:27 PM:
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as of Mahout-622, it (hbase dep) is declared optional now. I.e. whoever tries to embed Mahout in their build, at least would not find it there and whatever algorithm is using it would fail with ^UnsatisfiedLinkException^ ClassNotFoundException unless they re-declare it explicitly (optionally having an opportunity to override version as well).

      was (Author: dlyubimov):
    as of Mahout-622, it (hbase dep) is declared optional now. I.e. whoever tries to embed Mahout in their build, at least would not find it there and whatever algorithm is using it would fail with UnsatisfiedLinkException unless they re-declare it explicitly (optionally having an opportunity to override version as well).
  
> Remove direct HBase dependency
> ------------------------------
>
>                 Key: MAHOUT-637
>                 URL: https://issues.apache.org/jira/browse/MAHOUT-637
>             Project: Mahout
>          Issue Type: Improvement
>          Components: Classification
>    Affects Versions: 0.4
>            Reporter: Sean Owen
>            Assignee: Sean Owen
>            Priority: Minor
>              Labels: bayesian, gora, hbase
>             Fix For: 0.5
>
>         Attachments: MAHOUT-637.patch
>
>
> As discussed on the mailing list, seems desirable to remove the direct dependence on HBase for now. The integration only exists for the Naive Bayes Classifier, and is based on an old version. A more comprehensive strategy for integrating with data sources, such as via Gora, is viewed as a desirable goal for later. This is a step in that direction.

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