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From "Vinod Kumar Vavilapalli (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-53) Add protocol to YARN to support GetGroups
Date Mon, 24 Sep 2012 00:48:08 GMT

    [ https://issues.apache.org/jira/browse/YARN-53?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13461550#comment-13461550
] 

Vinod Kumar Vavilapalli commented on YARN-53:
---------------------------------------------

The update patch looks good, Bo! Particularly I like that we are not starting a new server
for looking up groups (which I somehow missed earlier). There is far lesser code-duplication
now, even without HADOOP-8805.

+1 for the patch. Tested on a single node. Committing this.
                
> Add protocol to YARN to support GetGroups
> -----------------------------------------
>
>                 Key: YARN-53
>                 URL: https://issues.apache.org/jira/browse/YARN-53
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: resourcemanager
>            Reporter: Alejandro Abdelnur
>            Assignee: Bo Wang
>              Labels: patch
>             Fix For: 2.0.0-alpha
>
>         Attachments: MAPREDUCE-4268.patch, YARN-53.patch, YARN-53-v2.patch, YARN-53-v3.patch,
YARN-53-v4.patch, YARN-53-v5.patch
>
>
> This is a regression from Hadoop1, as hadoop mrgroups fails with:
> {code}
> Exception in thread "main" java.lang.UnsupportedOperationException
> 	at org.apache.hadoop.mapred.tools.GetGroups.getProtocolAddress(GetGroups.java:50)
> 	at org.apache.hadoop.tools.GetGroupsBase.getUgmProtocol(GetGroupsBase.java:98)
> 	at org.apache.hadoop.tools.GetGroupsBase.run(GetGroupsBase.java:71)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:84)
> 	at org.apache.hadoop.mapred.tools.GetGroups.main(GetGroups.java:54)
> {code}

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