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https://issues.apache.org/jira/browse/HDFS-15344?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17106586#comment-17106586
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Hudson commented on HDFS-15344:
-------------------------------

SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #18252 (See 
[https://builds.apache.org/job/Hadoop-trunk-Commit/18252/])
HDFS-15344. DataNode#checkSuperuserPrivilege should use UGI#getGroups (github: 
rev 3cacf1ce565ce151524d4f61ab7c01a718eb534d)
* (edit) 
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataNode.java


> DataNode#checkSuperuserPrivilege should use UGI#getGroups after HADOOP-13442
> ----------------------------------------------------------------------------
>
>                 Key: HDFS-15344
>                 URL: https://issues.apache.org/jira/browse/HDFS-15344
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>    Affects Versions: 2.7.5
>            Reporter: Xiaoyu Yao
>            Assignee: Xiaoyu Yao
>            Priority: Major
>             Fix For: 3.4.0
>
>
> HADOOP-13442 added UGI#getGroups to avoid list->array->list conversions. This 
> ticket is opened to change DataNode#checkSuperuserPrivilege to use 
> UGI#getGroups. 



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