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https://issues.apache.org/jira/browse/HADOOP-9451?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13622333#comment-13622333
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Hudson commented on HADOOP-9451:
--------------------------------
Integrated in Hadoop-Mapreduce-trunk #1390 (See
[https://builds.apache.org/job/Hadoop-Mapreduce-trunk/1390/])
HADOOP-9451. Fault single-layer config if node group topology is enabled.
(Junping Du via llu) (Revision 1464301)
Result = SUCCESS
llu : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1464301
Files :
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/CHANGES.txt
*
/hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/net/NetworkTopologyWithNodeGroup.java
*
/hadoop/common/trunk/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/net/TestNetworkTopologyWithNodeGroup.java
> 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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