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https://issues.apache.org/jira/browse/HDFS-6929?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14110047#comment-14110047
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Arpit Agarwal commented on HDFS-6929:
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No, but I think it is simple enough to change the meaning of the value so that
zero means 'never scrub'. Let me post an updated patch.
> NN periodically unlinks lazy persist files with missing replicas from
> namespace
> -------------------------------------------------------------------------------
>
> Key: HDFS-6929
> URL: https://issues.apache.org/jira/browse/HDFS-6929
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: datanode
> Reporter: Arpit Agarwal
> Assignee: Arpit Agarwal
> Fix For: HDFS-6581
>
> Attachments: HDFS-6929.01.patch
>
>
> Occasional data loss is expected when using the lazy persist flag due to node
> restarts. The NN will optionally unlink lazy persist files from the namespace
> to avoid them from showing up as corrupt files.
> This behavior can be turned off with a global option. In the future this may
> be made a per-file option controllable by the client.
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