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https://issues.apache.org/jira/browse/HDFS-1773?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13037346#comment-13037346
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Hudson commented on HDFS-1773:
------------------------------

Integrated in Hadoop-Hdfs-trunk #673 (See 
[https://builds.apache.org/hudson/job/Hadoop-Hdfs-trunk/673/])
    

> Remove a datanode from cluster if include list is not empty and this datanode 
> is removed from both include and exclude lists
> ----------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-1773
>                 URL: https://issues.apache.org/jira/browse/HDFS-1773
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: name-node
>    Affects Versions: 0.20.203.1, 0.23.0
>         Environment: branch-20-security and trunk.
>            Reporter: Tanping Wang
>            Assignee: Tanping Wang
>            Priority: Minor
>             Fix For: 0.20.204.0, 0.23.0
>
>         Attachments: HDFS-1773-2.patch, HDFS-1773-3.patch, HDFS-1773.patch, 
> HDFS-1867.patch
>
>
> Our service engineering team who operates the clusters on a daily basis 
> founds it is confusing that after a data node is decommissioned, there is no 
> way to make the cluster forget about this data node and it always remains in 
> the dead node list.

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