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From "Bharat Viswanadham (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-12849) Update the auth_to_local rules documentation in hadoop documentation
Date Wed, 22 Nov 2017 02:03:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-12849?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16261847#comment-16261847
] 

Bharat Viswanadham commented on HDFS-12849:
-------------------------------------------

HADOOP-14229 jira should be backported to branch-2 to fix this issue in branch-2 releases.

> Update the auth_to_local rules documentation in hadoop documentation
> --------------------------------------------------------------------
>
>                 Key: HDFS-12849
>                 URL: https://issues.apache.org/jira/browse/HDFS-12849
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Bharat Viswanadham
>            Assignee: Bharat Viswanadham
>
> <property>
>   <name>hadoop.security.auth_to_local</name>
>   <value>
>     RULE:[2:$1@$0](nn/.*@.*REALM.TLD)s/.*/hdfs/
>     RULE:[2:$1@$0](jn/.*@.*REALM.TLD)s/.*/hdfs/
>     RULE:[2:$1@$0](dn/.*@.*REALM.TLD)s/.*/hdfs/
>     RULE:[2:$1@$0](nm/.*@.*REALM.TLD)s/.*/yarn/
>     RULE:[2:$1@$0](rm/.*@.*REALM.TLD)s/.*/yarn/
>     RULE:[2:$1@$0](jhs/.*@.*REALM.TLD)s/.*/mapred/
>     DEFAULT
>   </value>
> </property>
>  
> As the first part is translating to nn@REALM, so the expression is not matching, and
the replacement is not happening.



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