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Posted to issues@hive.apache.org by "Edward Capriolo (JIRA)" <ji...@apache.org> on 2017/02/21 17:07:44 UTC

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

     [ https://issues.apache.org/jira/browse/HIVE-1626?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Edward Capriolo reassigned HIVE-1626:
-------------------------------------

    Assignee: Teddy Choi  (was: Edward Capriolo)

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