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https://issues.apache.org/jira/browse/HDFS-12742?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16224800#comment-16224800
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Shashikant Banerjee commented on HDFS-12742:
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Hi [~cheersyang],
The idea here is to have an admin purge tool and I agree that its a better
approach to directly read KSM/SCM/Container metadata directly and directly
delete all the data and the associated metadata instead of going through
object deletion in ozone. I will work on the same approach. Thanks for the
review comments.
> Add support for KSM --expunge command
> -------------------------------------
>
> Key: HDFS-12742
> URL: https://issues.apache.org/jira/browse/HDFS-12742
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Affects Versions: HDFS-7240
> Reporter: Shashikant Banerjee
> Assignee: Shashikant Banerjee
> Fix For: HDFS-7240
>
> Attachments: HDFS-12742-HDFS-7240.001.patch,
> HDFS-12742-HDFS-7240.002.patch
>
>
> KSM --expunge will delete all the data from the data nodes for all the keys
> in the KSM db.
> User will have no control over the deletion.
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