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https://issues.apache.org/jira/browse/HADOOP-5824?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kan Zhang updated HADOOP-5824:
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    Attachment: 5824-2.patch

> remove OP_READ_METADATA functionality from Datanode
> ---------------------------------------------------
>
>                 Key: HADOOP-5824
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5824
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: dfs
>            Reporter: Kan Zhang
>         Attachments: 5824-0.patch, 5824-1.patch, 5824-2.patch
>
>
> Operation OP_READ_METADATA exists on the datanode streaming interface. But it 
> is not used by any client code and is currently not protected by access 
> token. Should it be removed?  

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