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https://issues.apache.org/jira/browse/HADOOP-12173?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14613815#comment-14613815
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Hudson commented on HADOOP-12173:
---------------------------------
FAILURE: Integrated in Hadoop-Yarn-trunk-Java8 #246 (See
[https://builds.apache.org/job/Hadoop-Yarn-trunk-Java8/246/])
HADOOP-12173. NetworkTopology::add calls toString always. Contributed by Inigo
Goiri (cdouglas: rev e59f6fad6a8849cfab6acbf012f338d9cc7dd63c)
*
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/net/NetworkTopology.java
> NetworkTopology#add calls NetworkTopology#toString always
> ---------------------------------------------------------
>
> Key: HADOOP-12173
> URL: https://issues.apache.org/jira/browse/HADOOP-12173
> Project: Hadoop Common
> Issue Type: Bug
> Affects Versions: 2.7.0
> Reporter: Inigo Goiri
> Assignee: Inigo Goiri
> Fix For: 2.8.0
>
> Attachments: HADOOP-12173-v1.patch
>
>
> It always does a toString of the whole topology but this is not required when
> there are no errors. This is adding a very big overhead to large clusters as
> it's walking the whole tree every time we add a node to the cluster.
> HADOOP-10953 did some fix in that area but the errors is still there.
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