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https://issues.apache.org/jira/browse/HDFS-13972?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16808988#comment-16808988
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Íñigo Goiri commented on HDFS-13972:
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Thanks [~crh] for laying down the issues with the datanode report.
My main concern is with making it superuser by default.
If we need to know the nodes within the CREATE method, we should just use the
superuser for that call internally.
Actually, the current code in {{chooseDatanode()}} is already doing
{{loginUser.doAs()}}.
Why isn't this enough? What is the code path to get to {{getDatanodeReport()}}?
> RBF: Support for Delegation Token (WebHDFS)
> -------------------------------------------
>
> Key: HDFS-13972
> URL: https://issues.apache.org/jira/browse/HDFS-13972
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Íñigo Goiri
> Assignee: CR Hota
> Priority: Major
> Attachments: HDFS-13972-HDFS-13891.001.patch,
> HDFS-13972-HDFS-13891.002.patch, HDFS-13972-HDFS-13891.003.patch,
> HDFS-13972-HDFS-13891.004.patch, HDFS-13972-HDFS-13891.005.patch,
> HDFS-13972-HDFS-13891.006.patch, HDFS-13972-HDFS-13891.007.patch,
> HDFS-13972-HDFS-13891.008.patch, HDFS-13972-HDFS-13891.009.patch,
> HDFS-13972-HDFS-13891.010.patch, HDFS-13972-HDFS-13891.011.patch,
> TestRouterWebHDFSContractTokens.java
>
>
> HDFS Router should support issuing HDFS delegation tokens through WebHDFS.
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