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https://issues.apache.org/jira/browse/HDFS-4196?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13498497#comment-13498497
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Colin Patrick McCabe commented on HDFS-4196:
--------------------------------------------
Hi Jing,
This looks good to me. One question: can you elaborate on this TODO?
{code}
// TODO: check if the new name is valid. May also need this for
// creationSnapshot
{code}
Also, if there a JIRA associated with the TODO, it might be helpful to add a
reference to it in the comment.
> Support renaming of snapshots
> -----------------------------
>
> Key: HDFS-4196
> URL: https://issues.apache.org/jira/browse/HDFS-4196
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: data-node, name-node
> Reporter: Jing Zhao
> Assignee: Jing Zhao
> Attachments: HDFS-4196.001.patch, HDFS-4196.002.patch
>
>
> Add the functionality of renaming an existing snapshot with a given new name.
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