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https://issues.apache.org/jira/browse/HDFS-5066?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13751041#comment-13751041
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Binglin Chang commented on HDFS-5066:
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bq. In general, I think we may want to traverse the graph only once here.
I think you are right, I make it twice only because both json and gv need this
logic and I extract it into a separate method. If abstraction is used, there
should be no problem.
> 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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