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Posted to common-issues@hadoop.apache.org by "Suresh Srinivas (JIRA)" <ji...@apache.org> on 2013/06/20 02:45:21 UTC
[jira] [Commented] (HADOOP-9451) Node with one topology layer
should be handled as fault topology when NodeGroup layer is enabled
[ https://issues.apache.org/jira/browse/HADOOP-9451?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13688711#comment-13688711 ]
Suresh Srinivas commented on HADOOP-9451:
-----------------------------------------
[~vicaya] This needs to be merge to branch-2.1.0 along with other NodeGroup topology code.
> 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
> Fix For: 1.2.0, 3.0.0
>
> 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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