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Posted to issues@tajo.apache.org by "Hyunsik Choi (JIRA)" <ji...@apache.org> on 2014/07/22 09:59:38 UTC

[jira] [Created] (TAJO-969) Distributed sort on a large data set may result in incorrect results.

Hyunsik Choi created TAJO-969:
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             Summary: Distributed sort on a large data set may result in incorrect results.
                 Key: TAJO-969
                 URL: https://issues.apache.org/jira/browse/TAJO-969
             Project: Tajo
          Issue Type: Bug
          Components: data shuffle
            Reporter: Hyunsik Choi
            Assignee: Hyunsik Choi
            Priority: Critical
             Fix For: 0.9.0


This is a recently added bug. This bug causes incorrect order results when the number of partition ranges are more than one. This patch fixes the bug.

This is an urgent bug fix. The unit test to reproduce this case requires session variables to change the default TajoConf settings. In other words, for it, we need the resolution of TAJO-928. After TAJO-924, I'll add an unit test in another Jira.



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