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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-6295) Add "decommissioning" state and node state filtering to dfsadmin
Date Mon, 05 May 2014 11:08:19 GMT

    [ https://issues.apache.org/jira/browse/HDFS-6295?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13989422#comment-13989422
] 

Hudson commented on HDFS-6295:
------------------------------

FAILURE: Integrated in Hadoop-Yarn-trunk #558 (See [https://builds.apache.org/job/Hadoop-Yarn-trunk/558/])
HDFS-6295. Add decommissioning state and node state filtering to dfsadmin. Contributed by
Andrew Wang. (wang: http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1592438)
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocol/HdfsConstants.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocolPB/PBHelper.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/DatanodeManager.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/tools/DFSAdmin.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/proto/ClientNamenodeProtocol.proto
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestDecommissioningStatus.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/resources/testHDFSConf.xml


> 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
>             Fix For: 2.5.0
>
>         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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