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https://issues.apache.org/jira/browse/HDFS-10772?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15459119#comment-15459119
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Kihwal Lee commented on HDFS-10772:
-----------------------------------
Found its way to branch-2.8.
> Reduce byte/string conversions for get listing
> ----------------------------------------------
>
> Key: HDFS-10772
> URL: https://issues.apache.org/jira/browse/HDFS-10772
> 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-10772.patch
>
>
> {{FSDirectory.getListingInt}} does a byte/string conversion for the byte[]
> startAfter just to determine if it should be resolved as an inode path. This
> is not the common case but rather for NFS support so it should be avoided.
> When the resolution is necessary the conversions may be reduced.
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