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https://issues.apache.org/jira/browse/HDFS-7081?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14145655#comment-14145655
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Tsz Wo Nicholas Sze commented on HDFS-7081:
-------------------------------------------

+1 the new patch looks good.

(Andrew, thanks for spending time on writing the lengthy comments although most 
of them are very minor.)

> Add new DistributedFileSystem API for getting all the existing storage 
> policies
> -------------------------------------------------------------------------------
>
>                 Key: HDFS-7081
>                 URL: https://issues.apache.org/jira/browse/HDFS-7081
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: balancer, namenode
>            Reporter: Jing Zhao
>            Assignee: Jing Zhao
>         Attachments: HDFS-7081.000.patch, HDFS-7081.001.patch, 
> HDFS-7081.002.patch, HDFS-7081.003.patch
>
>
> Instead of loading all the policies from a client side configuration file, it 
> may be better to provide Mover with a new RPC call for getting all the 
> storage policies from the namenode.



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