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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-9461) DiskBalancer: Add Report Command
Date Thu, 09 Jun 2016 18:49:21 GMT

    [ https://issues.apache.org/jira/browse/HDFS-9461?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15323089#comment-15323089
] 

Hadoop QA commented on HDFS-9461:
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|| Subsystem || Report/Notes ||
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12809261/HDFS-9461-HDFS-1312.003.patch
|
| JIRA Issue | HDFS-9461 |
| Console output | https://builds.apache.org/job/PreCommit-HDFS-Build/15722/console |
| Powered by | Apache Yetus 0.3.0   http://yetus.apache.org |


This message was automatically generated.



> DiskBalancer: Add Report Command
> --------------------------------
>
>                 Key: HDFS-9461
>                 URL: https://issues.apache.org/jira/browse/HDFS-9461
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: balancer & mover
>    Affects Versions: 2.8.0
>            Reporter: Xiaobing Zhou
>            Assignee: Xiaobing Zhou
>         Attachments: HDFS-9461-HDFS-1312.000.patch, HDFS-9461-HDFS-1312.001.patch, HDFS-9461-HDFS-1312.002.patch,
HDFS-9461-HDFS-1312.003.patch
>
>
> It's quite helpful to do:
> 1) report node information for the top X of DataNodes that will benefit from running
disk balancer
> 2) report volume level information for any specific DataNode. 
> This is done by:
> 1) reading the cluster info, sorting the DiskbalancerNodes by their NodeDataDensity and
printing out their corresponding information.
> 2) reading the cluster info, and print out volume level information for that DataNode
requested.



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