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From "John Sichi (JIRA)" <>
Subject [jira] Created: (HIVE-1626) stop using java.util.Stack
Date Thu, 09 Sep 2010 21:59:33 GMT
stop using java.util.Stack

                 Key: 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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