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https://issues.apache.org/jira/browse/HDFS-4700?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jing Zhao updated HDFS-4700:
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Attachment: HDFS-4700.000.patch
Initial patch without unit tests.
> Fix the undo section of rename
> ------------------------------
>
> Key: HDFS-4700
> URL: https://issues.apache.org/jira/browse/HDFS-4700
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: datanode, namenode
> Reporter: Jing Zhao
> Assignee: Jing Zhao
> Attachments: HDFS-4700.000.patch
>
>
> If a rename operation fails in the middle, the current undo section does not
> clear the diff list. This jira aims to fix the undo logic and adds
> corresponding unit tests.
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