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https://issues.apache.org/jira/browse/PIG-2882?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mairbek Khadikov updated PIG-2882:
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Attachment: Deque.patch
> 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: newbie, patch
> Attachments: Deque.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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