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From "Keith Turner (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ACCUMULO-391) Multi-table Accumulo input format
Date Wed, 25 Sep 2013 15:18:03 GMT

    [ https://issues.apache.org/jira/browse/ACCUMULO-391?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13777602#comment-13777602
] 

Keith Turner commented on ACCUMULO-391:
---------------------------------------

bq.  There's nothing tying us to the current method of configuring jrrbs

What are "jrrbs"?

bq.  I wouldn't worry about having things configured for tables that aren't going to be scanned.
 I can't see a bug happening from it that wouldn't be caught with minimal exercise/testing.

I am pretty sure people will end up spending lots of time trying to figure out why their scan
time iterators are not being executed because they mistyped a table name.  I agree that they
will most likely hit this while testing, but its still wasting a developers time.  
                
> 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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