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From "He Yongqiang (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HIVE-2218) speedup addInputPaths
Date Tue, 14 Jun 2011 02:53:47 GMT
speedup addInputPaths
---------------------

                 Key: HIVE-2218
                 URL: https://issues.apache.org/jira/browse/HIVE-2218
             Project: Hive
          Issue Type: Improvement
            Reporter: He Yongqiang
            Assignee: He Yongqiang


Speedup the addInputPaths for combined symlink inputformat, and added some other micro optimizations
which also work for normal cases.

This can help reducing the start time of one query from 5 hours to less than 20 mins.

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