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From "ASF subversion and git services (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ACCUMULO-1854) Accumulo{Input,Output}Format can't handle multiple configurations
Date Thu, 07 Nov 2013 05:28:18 GMT

    [ https://issues.apache.org/jira/browse/ACCUMULO-1854?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13815668#comment-13815668
] 

ASF subversion and git services commented on ACCUMULO-1854:
-----------------------------------------------------------

Commit c50a22296d80042a86639129a02e2b9468dc3330 in branch refs/heads/ACCUMULO-1854-multi-aif
from [~elserj]
[ https://git-wip-us.apache.org/repos/asf?p=accumulo.git;h=c50a222 ]

ACCUMULO-1854 Ended up re-implementing some of the old approach to get
back to a functional state.

Couldn't solely use the Configuration for things as getting the same
Configuration each time getSplits is called isn't guaranteed. Since
getSplits are always called serially by one client, we can use that fact
to keep some state and not read the same data many times.


> Accumulo{Input,Output}Format can't handle multiple configurations
> -----------------------------------------------------------------
>
>                 Key: ACCUMULO-1854
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-1854
>             Project: Accumulo
>          Issue Type: Bug
>    Affects Versions: 1.4.4, 1.5.0
>            Reporter: Josh Elser
>            Assignee: Josh Elser
>             Fix For: 1.4.5, 1.5.1, 1.6.1
>
>
> I noticed that I was unable to properly use MultipleInputs (or any code which uses a
similar approach) with the AccumuloInputFormat class because of the way it builds up information
in the Configuration object.
> It would be useful to be able to have multiple instances of AIF (and AOF) configured
within one Job (Configuration).



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