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https://issues.apache.org/jira/browse/HDFS-9633?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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John Zhuge updated HDFS-9633:
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Status: Patch Available (was: Open)
> Test SnapshotDiffReport file path corner cases
> ----------------------------------------------
>
> Key: HDFS-9633
> URL: https://issues.apache.org/jira/browse/HDFS-9633
> Project: Hadoop HDFS
> Issue Type: Test
> Reporter: John Zhuge
> Assignee: John Zhuge
> Priority: Minor
> Attachments: HDFS-9633-001.patch
>
>
> SnapshotDiffReport design uses "file path" (instead of "inode ID + file path"
> as one example) to represent each diff entry. This can leads to some strange
> scenarios.
> * DeleteRecreate: Delete a file, then create a new file of the same name.
> * CircularRenames: Rename file "a" to "tmp", rename "b" to "a", then rename
> "tmp" to "b".
> Add more unit tests to verify these corner cases.
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