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https://issues.apache.org/jira/browse/HADOOP-8144?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13262615#comment-13262615
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Hudson commented on HADOOP-8144:
--------------------------------
Integrated in Hadoop-Mapreduce-trunk #1061 (See
[https://builds.apache.org/job/Hadoop-Mapreduce-trunk/1061/])
HDFS-3258. Test for HADOOP-8144 (pseudoSortByDistance in NetworkTopology
for first rack local node). Contributed by Junping Du (Revision 1330613)
Result = FAILURE
eli : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1330613
Files :
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/net/TestNetworkTopology.java
> pseudoSortByDistance in NetworkTopology doesn't work properly if no local
> node and first node is local rack node
> ----------------------------------------------------------------------------------------------------------------
>
> Key: HADOOP-8144
> URL: https://issues.apache.org/jira/browse/HADOOP-8144
> Project: Hadoop Common
> Issue Type: Bug
> Components: io
> Affects Versions: 1.0.0, 0.23.0
> Reporter: Junping Du
> Assignee: Junping Du
> Priority: Minor
> Labels: patch
> Fix For: 2.0.0
>
> Attachments: HADOOP-8144-1.patch, HADOOP-8144-v2.patch,
> hadoop-8144.txt, hadoop-8144.txt
>
>
> pseudoSortByDistance in NetworkTopology.java should sort nodes according to
> its distance with reader as local node, local rack node, ...
> But if there is no local node with reader in nodes and the first node is
> local rack node with reader, then it will put a random node at position 0.
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