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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-6818) Provide a JNI-based implementation of GroupMappingServiceProvider
Date Wed, 03 Nov 2010 18:30:29 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-6818?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12927938#action_12927938
] 

Hadoop QA commented on HADOOP-6818:
-----------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12458698/6818-trunk-2.patch
  against trunk revision 1029958.

    +1 @author.  The patch does not contain any @author tags.

    +1 tests included.  The patch appears to include 3 new or modified tests.

    +1 javadoc.  The javadoc tool did not generate any warning messages.

    +1 javac.  The applied patch does not increase the total number of javac compiler warnings.

    +1 findbugs.  The patch does not introduce any new Findbugs warnings.

    -1 release audit.  The applied patch generated 3 release audit warnings (more than the
trunk's current 1 warnings).

    +1 core tests.  The patch passed core unit tests.

    +1 contrib tests.  The patch passed contrib unit tests.

    +1 system test framework.  The patch passed system test framework compile.

Test results: https://hudson.apache.org/hudson/job/PreCommit-HADOOP-Build/11//testReport/
Release audit warnings: https://hudson.apache.org/hudson/job/PreCommit-HADOOP-Build/11//artifact/trunk/patchprocess/patchReleaseAuditProblems.txt
Findbugs warnings: https://hudson.apache.org/hudson/job/PreCommit-HADOOP-Build/11//artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Console output: https://hudson.apache.org/hudson/job/PreCommit-HADOOP-Build/11//console

This message is automatically generated.

> Provide a JNI-based implementation of GroupMappingServiceProvider
> -----------------------------------------------------------------
>
>                 Key: HADOOP-6818
>                 URL: https://issues.apache.org/jira/browse/HADOOP-6818
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: security
>            Reporter: Devaraj Das
>            Assignee: Devaraj Das
>             Fix For: 0.22.0
>
>         Attachments: 6818-trunk-1.patch, 6818-trunk-2.patch, 6818-trunk.patch, hadoop-6818-1.patch,
hadoop-6818-2.patch, JNIGroupMapping.patch
>
>
> The default implementation of GroupMappingServiceProvider does a fork of a unix command
to get the groups of a user. Since the group resolution happens in the servers, this might
be costly. This jira aims at providing a JNI-based implementation for GroupMappingServiceProvider.

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