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https://issues.apache.org/jira/browse/HDFS-10744?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15458990#comment-15458990
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Kihwal Lee commented on HDFS-10744:
-----------------------------------
Committed to branch-2.8.
> Internally optimize path component resolution
> ---------------------------------------------
>
> Key: HDFS-10744
> URL: https://issues.apache.org/jira/browse/HDFS-10744
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: hdfs
> Reporter: Daryn Sharp
> Assignee: Daryn Sharp
> Fix For: 2.8.0, 3.0.0-alpha1
>
> Attachments: HDFS-10744.patch
>
>
> {{FSDirectory}}'s path resolution currently uses a mixture of string &
> byte[][] conversions, back to string, back to byte[][] for {{INodesInPath}}.
> Internally all path component resolution should be byte[][]-based as the
> precursor to instantiating an {{INodesInPath}} w/o the last 2 unnecessary
> conversions.
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