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https://issues.apache.org/jira/browse/HDFS-4244?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13546752#comment-13546752
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Tsz Wo (Nicholas), SZE commented on HDFS-4244:
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- Deleting snapshot file may lead to block deletion so that
removeSelfFromCircle() is not enough. It should use
collectSubtreeBlocksAndClear(..).
- It no longer needs to add public to INodesInPath.isSnapshot().
- Both createSnapshot and deleteSnapshot has parameters snapshotName and then
path, but renameSnapshot has path and then the old and the new names. How
about changing createSnapshot and deleteSnapshot to have path and then
snapshotName?
> Support deleting snapshots
> --------------------------
>
> Key: HDFS-4244
> URL: https://issues.apache.org/jira/browse/HDFS-4244
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: datanode, namenode
> Reporter: Jing Zhao
> Assignee: Jing Zhao
> Attachments: HDFS-4244.001.patch, HDFS-4244.002.patch,
> HDFS-4244.003.patch, HDFS-4244.004.patch, HDFS-4244.005.patch,
> HDFS-4244.006.patch
>
>
> Provide functionality to delete a snapshot, given the name of the snapshot
> and the path to the directory where the snapshot was taken.
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