You are viewing a plain text version of this content. The canonical link for it is here.

Posted to issues@hbase.apache.org by "Ron Buckley (JIRA)" <ji...@apache.org> on 2013/03/06 14:14:16 UTC

[jira] [Updated] (HBASE-3996) Support multiple tables and scanners as input to the mapper in map/reduce jobs

     [ https://issues.apache.org/jira/browse/HBASE-3996?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ron Buckley updated HBASE-3996:
-------------------------------

    Summary:  Support multiple tables and scanners as input to the mapper in map/reduce jobs  (was: d)
    
>  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: Bryan Baugher
>            Priority: Critical
>             Fix For: 0.95.0, 0.94.5
>
>         Attachments: 3996-0.94.txt, 3996-v10.txt, 3996-v11.txt, 3996-v12.txt, 3996-v13.txt, 3996-v14.txt, 3996-v15.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.

--
This message is automatically generated by JIRA.
If you think it was sent incorrectly, please contact your JIRA administrators
For more information on JIRA, see: http://www.atlassian.com/software/jira