Mairbek Khadikov created PIG-2882:
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Summary: 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
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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