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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HAMA-761) Improvement for GraphJobMessage comparation operation
Date Fri, 14 Jun 2013 23:10:20 GMT

    [ https://issues.apache.org/jira/browse/HAMA-761?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13683899#comment-13683899
] 

Hudson commented on HAMA-761:
-----------------------------

Integrated in Hama-Nightly #941 (See [https://builds.apache.org/job/Hama-Nightly/941/])
    HAMA-761: Improvement for GraphJobMessage comparation operation (Revision 1492955)

     Result = SUCCESS
kennethxian : 
Files : 
* /hama/trunk/CHANGES.txt
* /hama/trunk/graph/src/main/java/org/apache/hama/graph/GraphJobMessage.java

                
> Improvement for GraphJobMessage comparation operation
> -----------------------------------------------------
>
>                 Key: HAMA-761
>                 URL: https://issues.apache.org/jira/browse/HAMA-761
>             Project: Hama
>          Issue Type: Improvement
>          Components: graph
>    Affects Versions: 0.6.1
>            Reporter: MaoYuan Xian
>            Assignee: MaoYuan Xian
>             Fix For: 0.6.2
>
>         Attachments: HAMA-761.patch
>
>
> Currently, GraphJobMessage comparation opertion depends on the default comparator (org.apache.hadoop.io.WritableComparator
used), which has to read out all GraphJobMessage message (including vertexId and vertexValue)
when does the comparation. 
> Since lots of comparation operations happen in graph computing, this limitation makes
a performance downgrade.

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