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https://issues.apache.org/jira/browse/HDFS-6295?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13989255#comment-13989255
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Andrew Wang commented on HDFS-6295:
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Latest patch passed Jenkins, so I'm going to go ahead and commit based on ATM's
previous +1. Thanks for the reviews, Charlie and ATM.
> Add "decommissioning" state and node state filtering to dfsadmin
> ----------------------------------------------------------------
>
> Key: HDFS-6295
> URL: https://issues.apache.org/jira/browse/HDFS-6295
> Project: Hadoop HDFS
> Issue Type: Improvement
> Affects Versions: 2.4.0
> Reporter: Andrew Wang
> Assignee: Andrew Wang
> Attachments: hdfs-6295-1.patch, hdfs-6295-2.patch, hdfs-6295-3.patch
>
>
> One of the few admin-friendly ways of viewing the list of decommissioning
> nodes is via "hdfs dfsadmin -report". However, this lists *all* the datanodes
> on the cluster, which is prohibitive for large clusters, and also requires
> manual parsing to look at the decom status. It'd be nicer if we could fetch
> and display only decommissioning nodes (or just live and dead nodes for that
> matter).
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