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From "Xiaobing Zhou (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-9461) DiskBalancer: Add Report Command
Date Wed, 08 Jun 2016 17:07:21 GMT

     [ https://issues.apache.org/jira/browse/HDFS-9461?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Xiaobing Zhou updated HDFS-9461:
--------------------------------
    Attachment: HDFS-9461-HDFS-1312.000.patch

> 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
>
>
> 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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