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https://issues.apache.org/jira/browse/HDFS-8682?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15400203#comment-15400203
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Konstantin Shvachko commented on HDFS-8682:
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Committed to branch-2.7.
> Should not remove decommissioned node,while calculating the number of
> live/dead decommissioned node.
> ----------------------------------------------------------------------------------------------------
>
> Key: HDFS-8682
> URL: https://issues.apache.org/jira/browse/HDFS-8682
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: J.Andreina
> Assignee: J.Andreina
> Fix For: 2.8.0
>
> Attachments: HDFS-8682.1.patch
>
>
> True is passed as argument for removing decommissioned node from live/dead
> node list ,while calculating the number of live/dead decommissioned node.
> public void fetchDatanodes(final List<DatanodeDescriptor> live,
> final List<DatanodeDescriptor> dead, final boolean
> {color:red}removeDecommissionNode{color} )
> In FSNamesystem#*getNumDecomLiveDataNodes* and
> FSNamesystem#*getNumDecomDeadDataNodes* , calculation is done as below.
> getBlockManager().getDatanodeManager().fetchDatanodes(null, dead,
> {color:red}true{color});
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