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https://issues.apache.org/jira/browse/HDFS-5066?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13750939#comment-13750939
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Binglin Chang commented on HDFS-5066:
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bq. Is it possible to remove the buildNodeSet method and the nodeset map, since
inode Id, class name, and localName can all be identified from a given inode?
I am afraid INodeId, className and localName can't provide uniqueness, many
WithName can have same localName, I guess if we treat different class type with
different encoding(WithCount_inodeid, WithName_inodeid_snapshotid,
DstRef_inodeid), uniqueness is possible, but it looks a little strange.
> Inode tree with snapshot information visualization
> ---------------------------------------------------
>
> Key: HDFS-5066
> URL: https://issues.apache.org/jira/browse/HDFS-5066
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: Binglin Chang
> Assignee: Binglin Chang
> Priority: Minor
> Attachments: HDFS-5066.v1.patch, visnap.png
>
>
> It would be nice to be able to visualize snapshot information, in order to
> ease the understanding of related data structures. We can generate graph from
> in memory inode links.
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