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Date: Fri, 4 Jan 2013 21:50:14 +0000 (UTC)
From: "Bryan Baugher (JIRA)" <jira@apache.org>
To: issues@hbase.apache.org
Message-ID: <JIRA.12510557.1308223374884.83143.1357336214539@arcas>
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Subject: [jira] [Updated] (HBASE-3996) Support multiple tables and scanners
 as input to the mapper in map/reduce jobs
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     [ https://issues.apache.org/jira/browse/HBASE-3996?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Bryan Baugher updated HBASE-3996:
---------------------------------

    Attachment: 3996-v10.txt

Well that would be because I forgot to include my changes to Scan. Done.
                
> Support multiple tables and scanners as input to the mapper in map/reduce jobs
> ------------------------------------------------------------------------------
>
>                 Key: HBASE-3996
>                 URL: https://issues.apache.org/jira/browse/HBASE-3996
>             Project: HBase
>          Issue Type: Improvement
>          Components: mapreduce
>            Reporter: Eran Kutner
>            Assignee: Lars Hofhansl
>             Fix For: 0.96.0, 0.94.5
>
>         Attachments: 3996-v10.txt, 3996-v2.txt, 3996-v3.txt, 3996-v4.txt, 3996-v5.txt, 3996-v6.txt, 3996-v7.txt, 3996-v8.txt, 3996-v9.txt, HBase-3996.patch
>
>
> It seems that in many cases feeding data from multiple tables or multiple scanners on a single table can save a lot of time when running map/reduce jobs.
> I propose a new MultiTableInputFormat class that would allow doing this.

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