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https://issues.apache.org/jira/browse/HDFS-7374?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14651056#comment-14651056
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Xiaoyu Yao commented on HDFS-7374:
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Found the mismatch in the commit message: HDFS-7373 should be HDFS-7374.
{code}
HDFS-7373. Allow decommissioning of dead DataNodes. Contributed by Zhe Zhang.
{code}
> Allow decommissioning of dead DataNodes
> ---------------------------------------
>
> Key: HDFS-7374
> URL: https://issues.apache.org/jira/browse/HDFS-7374
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Zhe Zhang
> Assignee: Zhe Zhang
> Fix For: 2.7.0
>
> Attachments: HDFS-7374-001.patch, HDFS-7374-002.patch,
> HDFS-7374.003.patch
>
>
> We have seen the use case of decommissioning DataNodes that are already dead
> or unresponsive, and not expected to rejoin the cluster.
> The logic introduced by HDFS-6791 will mark those nodes as
> {{DECOMMISSION_INPROGRESS}}, with a hope that they can come back and finish
> the decommission work. If an upper layer application is monitoring the
> decommissioning progress, it will hang forever.
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