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From "Andrew Wang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-6295) Add "decommissioning" state and node state filtering to dfsadmin
Date Mon, 05 May 2014 03:36:15 GMT

    [ https://issues.apache.org/jira/browse/HDFS-6295?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13989255#comment-13989255

Andrew Wang commented on HDFS-6295:

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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