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From "Christopher Tubbs (JIRA)" <>
Subject [jira] [Commented] (ACCUMULO-391) Multi-table Accumulo input format
Date Thu, 06 Jun 2013 01:14:30 GMT


Christopher Tubbs commented on ACCUMULO-391:

{quote}I don't currently know what's diverged in the input format since I made the last patch{quote}

A lot of the mapreduce API changed in 1.5 (for the better, I hope). There's also the switch
to authentication tokens in place of passwords, and in 1.6, there's support for storing tokens
in a file. So, those considerations should be made, and we've also added support for the "old"
mapred packages, so you may want to look at making a version for that also.
> Multi-table Accumulo input format
> ---------------------------------
>                 Key: ACCUMULO-391
>                 URL:
>             Project: Accumulo
>          Issue Type: New Feature
>            Reporter: John Vines
>            Assignee: William Slacum
>            Priority: Minor
>              Labels: mapreduce,
>             Fix For: 1.6.0
>         Attachments: 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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