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From "Arpit Agarwal (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-9681) DiskBalancer : Add QueryPlan implementation
Date Thu, 25 Feb 2016 00:47:18 GMT

    [ https://issues.apache.org/jira/browse/HDFS-9681?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15166443#comment-15166443
] 

Arpit Agarwal commented on HDFS-9681:
-------------------------------------

+1 for the patch. I will commit it shortly.

Using JSON to serialize the {{DiskBalancerWorkEntry}} structure sent via protobuf messages
is unusual for Hadoop but I can see how it simplifies the code here. Protobuf would yield
a more compact representation but for {{DiskBalancerWorkEntry}} the difference would be nominal
and this message will be sent rarely.

> DiskBalancer : Add QueryPlan implementation
> -------------------------------------------
>
>                 Key: HDFS-9681
>                 URL: https://issues.apache.org/jira/browse/HDFS-9681
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: balancer & mover
>    Affects Versions: HDFS-1312
>            Reporter: Anu Engineer
>            Assignee: Anu Engineer
>             Fix For: HDFS-1312
>
>         Attachments: HDFS-9681-HDFS-1312.001.patch
>
>
> Add the datanode logic for QueryPlan 



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