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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-5220) Expose group resolution time as metric
Date Tue, 07 Jan 2014 11:09:42 GMT

    [ https://issues.apache.org/jira/browse/HDFS-5220?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13864109#comment-13864109
] 

Hudson commented on HDFS-5220:
------------------------------

SUCCESS: Integrated in Hadoop-Yarn-trunk #445 (See [https://builds.apache.org/job/Hadoop-Yarn-trunk/445/])
HDFS-5220. Expose group resolution time as metric (jxiang via cmccabe) (cmccabe: http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1555976)
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/CommonConfigurationKeys.java
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/Groups.java
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/UserGroupInformation.java
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/security/TestUserGroupInformation.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NameNode.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/metrics/TestNameNodeMetrics.java


> Expose group resolution time as metric
> --------------------------------------
>
>                 Key: HDFS-5220
>                 URL: https://issues.apache.org/jira/browse/HDFS-5220
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: namenode
>    Affects Versions: 2.4.0
>            Reporter: Rob Weltman
>            Assignee: Jimmy Xiang
>             Fix For: 2.4.0
>
>         Attachments: 2.4-5220.addendum, 2.4-5220.patch, hdfs-5220.addendum, hdfs-5220.patch,
hdfs-5220_v2.patch
>
>
> It would help detect issues with authentication configuration and with overloading an
authentication source if the name node exposed the time taken for group resolution as a metric.



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