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From "Gustavo Anatoly (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (HBASE-11163) Support providing a Scan instance in mapred.TableMapReduceUtil
Date Sun, 20 Jul 2014 16:59:39 GMT

     [ https://issues.apache.org/jira/browse/HBASE-11163?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Gustavo Anatoly reassigned HBASE-11163:
---------------------------------------

    Assignee: Gustavo Anatoly

> Support providing a Scan instance in mapred.TableMapReduceUtil
> --------------------------------------------------------------
>
>                 Key: HBASE-11163
>                 URL: https://issues.apache.org/jira/browse/HBASE-11163
>             Project: HBase
>          Issue Type: Improvement
>          Components: mapreduce
>            Reporter: Nick Dimiduk
>            Assignee: Gustavo Anatoly
>
> Our mapred implementation is pretty meager compared to the code in mapreduce. Notably,
it does not support a user-provided Scan instance for mapreduce jobs run over hbase tables.
The only thing we offer is column family filtering. For applications to support predicate
pushdown and enjoy efficient HBase access, either they transition their entire codebase over
to mapreduce, or we offer this functionality.



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