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From "William Slacum (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ACCUMULO-391) Multi-table Accumulo input format
Date Thu, 03 Oct 2013 08:59:43 GMT

    [ https://issues.apache.org/jira/browse/ACCUMULO-391?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13784932#comment-13784932
] 

William Slacum commented on ACCUMULO-391:
-----------------------------------------

>From a high level perspective (aka "I haven't read the changeset yet"), the single table
case should be implemented as a specific case of the multitable paradigm. If we can support
the old interface, that's great, but it should be deprecated so that we're not bound to it.


> Multi-table Accumulo input format
> ---------------------------------
>
>                 Key: ACCUMULO-391
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-391
>             Project: Accumulo
>          Issue Type: New Feature
>            Reporter: John Vines
>            Assignee: Corey J. Nolet
>            Priority: Minor
>              Labels: mapreduce,
>             Fix For: 1.6.0
>
>         Attachments: ACCUMULO-391.patch, multi-table-if.patch, new-multitable-if.patch
>
>
> Just realized we had no MR input method which supports multiple Tables for an input format.
I would see it making the table the mapper's key and making the Key/Value a tuple, or alternatively
have the Table/Key be the key tuple and stick with Values being the value.



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