BELUGA BEHR created HDFS-13168:
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Summary: XmlImageVisitor - Prefer Array over LinkedList
Key: HDFS-13168
URL: https://issues.apache.org/jira/browse/HDFS-13168
Project: Hadoop HDFS
Issue Type: Improvement
Components: hdfs
Affects Versions: 3.0.0
Environment: {{ArrayDeque}}
{quote}This class is likely to be faster than Stack when used as a stack, and
faster than LinkedList when used as a queue.{quote}
.. not to mention less memory fragmentation (single backing array v.s. many
ArrayList nodes).
https://docs.oracle.com/javase/8/docs/api/java/util/ArrayDeque.html
Reporter: BELUGA BEHR
Attachments: HDFS-13168.1.patch
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