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From "Junping Du (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-9451) Node with one topology layer should be handled as fault topology when NodeGroup layer is enabled
Date Thu, 04 Apr 2013 00:57:16 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-9451?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Junping Du updated HADOOP-9451:
-------------------------------

    Attachment: HADOOP-9451-branch-1.patch

Attach branch-1 patch.
                
> 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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