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Posted to dev@hive.apache.org by "John Sichi (JIRA)" <ji...@apache.org> on 2010/09/09 23:59:33 UTC

[jira] Created: (HIVE-1626) stop using java.util.Stack

stop using java.util.Stack
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                 Key: HIVE-1626
                 URL: https://issues.apache.org/jira/browse/HIVE-1626
             Project: Hadoop Hive
          Issue Type: Improvement
          Components: Query Processor
    Affects Versions: 0.7.0
            Reporter: John Sichi
            Assignee: John Sichi
             Fix For: 0.7.0


We currently use Stack as part of the generic node walking library.  Stack should not be used for this since its inheritance from Vector incurs superfluous synchronization overhead.

Most projects end up adding an ArrayStack implementation and using that instead.


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