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From "Jesse Yates (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-4587) HBase MR support for multiple tables as input
Date Tue, 28 Aug 2012 01:10:09 GMT

     [ https://issues.apache.org/jira/browse/HBASE-4587?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jesse Yates updated HBASE-4587:
-------------------------------

    Issue Type: Improvement  (was: Bug)
    
> HBase MR support for multiple tables as input
> ---------------------------------------------
>
>                 Key: HBASE-4587
>                 URL: https://issues.apache.org/jira/browse/HBASE-4587
>             Project: HBase
>          Issue Type: Improvement
>          Components: mapreduce
>    Affects Versions: 0.90.3
>            Reporter: Rajeev Rao
>
> Some requirements:
>  - Being able to have multiple tables as your input path
>  - Being able to filter on specific columns/column families
>  - Providing the source location (table/row/column) to the results
>  - Multiple clusters
>  - Different schemas.
> Overall this seems difficult for now so I am going to punt on it. On the other hand it
would be easy enough to write all of the MR values into an intermediate table and then work
from there.

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