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https://issues.apache.org/jira/browse/HDFS-4791?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13648124#comment-13648124
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Tsz Wo (Nicholas), SZE commented on HDFS-4791:
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- Is it true that two withName objects could possibly have the same
lastSnapshotId? If yes, WITHNAME_COMPARATOR may consider two different
withName objects the same in getPriorWithName(..). Also, the changes in
WithCount.addReference/removeReference are incorrect.
- The dstSnapshotId in WithName is not useful.
- In getPriorWithName(..) and getSelfSnapshot(), use
AbstractINodeDiffList.getDiffById(..) to find snapshot.
> Update and fix deletion of reference inode
> ------------------------------------------
>
> Key: HDFS-4791
> URL: https://issues.apache.org/jira/browse/HDFS-4791
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: datanode, namenode
> Reporter: Jing Zhao
> Assignee: Jing Zhao
> Attachments: HDFS-4791.000.patch, HDFS-4791.001.patch
>
>
> Currently for deleting or destroying a reference node, we directly call the
> corresponding methods of the referred inode, and patch code for extra clean
> after deletion. This jira will revisit the deletion of reference inodes,
> simplify the current code and fix existing bugs.
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