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From "Nick Dimiduk (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-11163) Support providing a Scan instance in mapred.TableMapReduceUtil
Date Wed, 14 May 2014 01:44:15 GMT
Nick Dimiduk created HBASE-11163:
------------------------------------

             Summary: 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


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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