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https://issues.apache.org/jira/browse/HDFS-14983?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16987567#comment-16987567
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Xieming Li commented on HDFS-14983:
-----------------------------------
I have uploaded a patch that works, and I hope to get some feedback.
I performed a very simple test on my environment.
In core-site.xml I added:
{code:java}
- <property name="hadoop.proxyuser.sri.groups" value="*"/>
- <property name="hadoop.proxyuser.sri.hosts" value="*"/>
{code}
{code:java}
$ export HADOOP_PROXY_USER=dummyuser
$ hdfs dfs -ls
ls: User: sri@DEV is not allowed to impersonate dummyuser
$
$ sudo hdfs dfsrouteradmin -refreshSuperUserGroupsConfiguration
Successfully updated super user groups configuration on router 0.0.0.0:8111
$
$ hdfs dfs -ls
{code}
If everything looks okay, I will keep adding UnitTest, JavaDoc, Documentation.
> RBF: Add dfsrouteradmin -refreshSuperUserGroupsConfiguration command option
> ---------------------------------------------------------------------------
>
> Key: HDFS-14983
> URL: https://issues.apache.org/jira/browse/HDFS-14983
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: rbf
> Reporter: Akira Ajisaka
> Assignee: Xieming Li
> Priority: Minor
> Attachments: HDFS-14983.draft.001.patch
>
>
> NameNode can update proxyuser config by -refreshSuperUserGroupsConfiguration
> without restarting but DFSRouter cannot. It would be better for DFSRouter to
> have such functionality to be compatible with NameNode.
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