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https://issues.apache.org/jira/browse/HDFS-4667?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13750141#comment-13750141
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Binglin Chang commented on HDFS-4667:
-------------------------------------
And another issue about symlink, currently the original code treat all symlink
delete/create as modify, but symlink is immutable.
{code}
if (cnode.isSymlink() && dnode.isSymlink()) {
dList.add(new DiffReportEntry(DiffType.MODIFY, fullPath));
} else {
{code}
In this patch, symlink with same name but different inodeid are treated as one
CREATE and one DELETE
> Capture renamed files/directories in snapshot diff report
> ---------------------------------------------------------
>
> Key: HDFS-4667
> URL: https://issues.apache.org/jira/browse/HDFS-4667
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: datanode, namenode
> Reporter: Jing Zhao
> Assignee: Binglin Chang
> Attachments: getfullname-snapshot-support.patch,
> HDFS-4667.demo.patch, HDFS-4667.v1.patch
>
>
> Currently in the diff report we only show file/dir creation, deletion and
> modification. After rename with snapshots is supported, renamed file/dir
> should also be captured in the diff report.
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