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https://issues.apache.org/jira/browse/HDFS-7106?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14143624#comment-14143624
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Colin Patrick McCabe commented on HDFS-7106:
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Good catch, Chris. +1.
I looked at
https://builds.apache.org/job/PreCommit-HDFS-Build/8138//artifact/patchprocess/diffJavacWarnings.txt
and I didn't see anything related to your patch, so I think the javac warning
message was spurious.
> Reconfiguring DataNode volumes does not release the lock files in removed
> volumes.
> ----------------------------------------------------------------------------------
>
> Key: HDFS-7106
> URL: https://issues.apache.org/jira/browse/HDFS-7106
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: datanode
> Reporter: Chris Nauroth
> Assignee: Chris Nauroth
> Attachments: HDFS-7106.1.patch, HDFS-7106.2.patch, HDFS-7106.3.patch
>
>
> After reconfiguring a DataNode to remove volumes without restarting the
> DataNode, the process still holds lock files exclusively in all of the
> volumes that were removed.
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