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https://issues.apache.org/jira/browse/HBASE-19473?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16302908#comment-16302908
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BELUGA BEHR commented on HBASE-19473:
-------------------------------------
[~appy] Thoughts? :)
> Review of ClientScanner Class
> -----------------------------
>
> Key: HBASE-19473
> URL: https://issues.apache.org/jira/browse/HBASE-19473
> Project: HBase
> Issue Type: Improvement
> Components: hbase
> Affects Versions: 3.0.0
> Reporter: BELUGA BEHR
> Assignee: BELUGA BEHR
> Priority: Trivial
> Attachments: HBASE-19473.1.patch, HBASE-19473.2.patch,
> HBASE-19473.3.patch
>
>
> # Remove superfluous logging code guard
> # Simplify some of the code
> # Use ArrayDeque instead of LinkedList for queue implementation
> https://docs.oracle.com/javase/8/docs/api/index.html?java/util/ArrayDeque.html
> {quote}
> Resizable-array implementation of the Deque interface. Array deques have no
> capacity restrictions; they grow as necessary to support usage. They are not
> thread-safe; in the absence of external synchronization, they do not support
> concurrent access by multiple threads. Null elements are prohibited. This
> class is likely to be faster than Stack when used as a stack, and *faster
> than LinkedList when used as a queue.*
> {quote}
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