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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HAMA-571) Provide graph repair function in GraphJobRunner
Date Thu, 17 May 2012 23:19:10 GMT

    [ https://issues.apache.org/jira/browse/HAMA-571?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13278390#comment-13278390
] 

Hudson commented on HAMA-571:
-----------------------------

Integrated in Hama-Nightly #550 (See [https://builds.apache.org/job/Hama-Nightly/550/])
    [HAMA-571]: Provide graph repair function in GraphJobRunner (Revision 1339586)

     Result = SUCCESS
tjungblut : 
Files : 
* /incubator/hama/trunk/CHANGES.txt
* /incubator/hama/trunk/core/src/main/java/org/apache/hama/bsp/BSPPeer.java
* /incubator/hama/trunk/core/src/main/java/org/apache/hama/bsp/BSPPeerImpl.java
* /incubator/hama/trunk/core/src/main/java/org/apache/hama/util/KeyValuePair.java
* /incubator/hama/trunk/examples/src/test/java/org/apache/hama/examples/MindistSearchTest.java
* /incubator/hama/trunk/examples/src/test/java/org/apache/hama/examples/PageRankTest.java
* /incubator/hama/trunk/graph/src/main/java/org/apache/hama/graph/Edge.java
* /incubator/hama/trunk/graph/src/main/java/org/apache/hama/graph/GraphJobRunner.java
* /incubator/hama/trunk/graph/src/main/java/org/apache/hama/graph/Vertex.java

                
> Provide graph repair function in GraphJobRunner
> -----------------------------------------------
>
>                 Key: HAMA-571
>                 URL: https://issues.apache.org/jira/browse/HAMA-571
>             Project: Hama
>          Issue Type: Improvement
>          Components: bsp core, graph
>            Reporter: Thomas Jungblut
>            Assignee: Thomas Jungblut
>             Fix For: 0.5.0
>
>         Attachments: HAMA-571_2.patch, HAMA-571_windows_first.patch
>
>
> As discussed here, we want to add a configurable checker that repairs maybe broken graph
adjacency lists.
> http://mail-archives.apache.org/mod_mbox/incubator-hama-user/201204.mbox/%3CCAJ-%3DysmSdYoX5t1pPjGi0KXWM%3DYVN2s8CoCgw5V3jXU3F74MHw%40mail.gmail.com%3E
> Currently each vertex addressed in an edge by the adjacency list is needed on the vertex
map somewhere in the cluster.
> If that vertex isn't available it will result in NullPointerExceptions.
> Pseudocode is attached in that mail archive.

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