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Date: Thu, 4 Apr 2013 01:04:13 +0000 (UTC)
From: "Hadoop QA (JIRA)" <jira@apache.org>
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Subject: [jira] [Commented] (HADOOP-9451) Node with one topology layer
 should be handled as fault topology when NodeGroup layer is enabled
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    [ https://issues.apache.org/jira/browse/HADOOP-9451?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13621614#comment-13621614 ] 

Hadoop QA commented on HADOOP-9451:
-----------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12576892/HADOOP-9451-branch-1.patch
  against trunk revision .

    {color:red}-1 patch{color}.  The patch command could not apply the patch.

Console output: https://builds.apache.org/job/PreCommit-HADOOP-Build/2409//console

This message is automatically generated.
                
> Node with one topology layer should be handled as fault topology when NodeGroup layer is enabled
> ------------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-9451
>                 URL: https://issues.apache.org/jira/browse/HADOOP-9451
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: net
>    Affects Versions: 1.1.2
>            Reporter: Junping Du
>            Assignee: Junping Du
>         Attachments: HADOOP-9451-branch-1.patch, HADOOP-9451.patch, HADOOP-9451-v2.patch, HDFS-4652-branch1.patch, HDFS-4652.patch
>
>
> Currently, nodes with one layer topology are allowed to join in the cluster that with enabling NodeGroup layer which cause some exception cases. 
> When NodeGroup layer is enabled, the cluster should assumes that at least two layer (Rack/NodeGroup) is valid topology for each nodes, so should throw exceptions for one layer node in joining.

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