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Posted to dev@pig.apache.org by "Mairbek Khadikov (JIRA)" <ji...@apache.org> on 2012/08/18 01:38:38 UTC

[jira] [Updated] (PIG-2882) Use Deque instead of Stack

     [ https://issues.apache.org/jira/browse/PIG-2882?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mairbek Khadikov updated PIG-2882:
----------------------------------

    Status: Patch Available  (was: Open)
    
> Use Deque instead of Stack
> --------------------------
>
>                 Key: PIG-2882
>                 URL: https://issues.apache.org/jira/browse/PIG-2882
>             Project: Pig
>          Issue Type: Improvement
>          Components: impl
>    Affects Versions: 0.10.0
>            Reporter: Mairbek Khadikov
>            Priority: Trivial
>              Labels: patch
>
> There are places where java.util.Stack is used.
> Replace it with java.util.Deque because it java.util.Stack is a legacy class and extends java.util.Vector which is synchronized and slow.
> Quote from the java.util.Deque javadoc:
> >Deques can also be used as LIFO (Last-In-First-Out) stacks. This interface should be used in preference to the legacy Stack class.

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