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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-12185) NetworkTopology is not efficient adding/getting/removing nodes
Date Tue, 07 Jul 2015 13:26:09 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-12185?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14616693#comment-14616693
] 

Hudson commented on HADOOP-12185:
---------------------------------

FAILURE: Integrated in Hadoop-Mapreduce-trunk-Java8 #247 (See [https://builds.apache.org/job/Hadoop-Mapreduce-trunk-Java8/247/])
HADOOP-12185. NetworkTopology is not efficient adding/getting/removing nodes. Contributed
by Inigo Goiri (cdouglas: rev 47a69ec7a5417cb56b75d07184dd6888ff068302)
* hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/net/NetworkTopology.java
* hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/net/TestClusterTopology.java


> NetworkTopology is not efficient adding/getting/removing nodes
> --------------------------------------------------------------
>
>                 Key: HADOOP-12185
>                 URL: https://issues.apache.org/jira/browse/HADOOP-12185
>             Project: Hadoop Common
>          Issue Type: Improvement
>    Affects Versions: 2.7.0
>            Reporter: Inigo Goiri
>            Assignee: Inigo Goiri
>             Fix For: 2.8.0
>
>         Attachments: HADOOP-12185-1.patch, HADOOP-12185-2.patch
>
>
> NetworkToplogy uses nodes with a list of children. The access to these children is slow
as it's a linear search.



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