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From "Andrew Wang (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-6295) Add "decommissioning" state and node state filtering to dfsadmin
Date Fri, 02 May 2014 00:50:15 GMT

     [ https://issues.apache.org/jira/browse/HDFS-6295?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Andrew Wang updated HDFS-6295:
------------------------------

    Attachment: hdfs-6295-2.patch

Thanks for the reviews Charlie and ATM, new patch attached. The HDFSCLI test now passes for
me locally, let's see what Jenkins thinks.

> 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
>
>
> 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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