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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-6295) Add "decommissioning" state and node state filtering to dfsadmin
Date Sat, 03 May 2014 04:04:15 GMT

    [ https://issues.apache.org/jira/browse/HDFS-6295?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13988566#comment-13988566
] 

Hadoop QA commented on HDFS-6295:
---------------------------------

{color:green}+1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12643119/hdfs-6295-3.patch
  against trunk revision .

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:green}+1 tests included{color}.  The patch appears to include 2 new or modified
test files.

    {color:green}+1 javac{color}.  The applied patch does not increase the total number of
javac compiler warnings.

    {color:green}+1 javadoc{color}.  There were no new javadoc warning messages.

    {color:green}+1 eclipse:eclipse{color}.  The patch built with eclipse:eclipse.

    {color:green}+1 findbugs{color}.  The patch does not introduce any new Findbugs (version
1.3.9) warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase the total number
of release audit warnings.

    {color:green}+1 core tests{color}.  The patch passed unit tests in hadoop-hdfs-project/hadoop-hdfs.

    {color:green}+1 contrib tests{color}.  The patch passed contrib unit tests.

Test results: https://builds.apache.org/job/PreCommit-HDFS-Build/6803//testReport/
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/6803//console

This message is automatically generated.

> 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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