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From "Rekha Joshi (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (GIRAPH-672) SSP example run with error result
Date Mon, 20 Apr 2015 23:25:59 GMT

    [ https://issues.apache.org/jira/browse/GIRAPH-672?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14503933#comment-14503933
] 

Rekha Joshi commented on GIRAPH-672:
------------------------------------

For me on latest Giraph and Yarn 2.6.0 the example provided, gives me correct output.Thanks.

$HADOOP_HOME/bin/hadoop jar $GIRAPH_HOME/giraph-examples/target/giraph-examples-1.2.0-SNAPSHOT-for-hadoop-2.6.0-jar-with-dependencies.jar
org.apache.giraph.GiraphRunner org.apache.giraph.examples.SimpleShortestPathsComputation -vif
org.apache.giraph.io.formats.JsonLongDoubleFloatDoubleVertexInputFormat -vip /testing_11 -vof
org.apache.giraph.io.formats.IdWithValueTextOutputFormat -op /testingop_11 -w 1

Input:
[0,0,[[1,1],[3,3]]]
[1,0,[[0,1],[2,2],[3,1]]]
[2,0,[[1,2],[4,4]]]
[3,0,[[0,3],[1,1],[4,4]]]
[4,0,[[3,4],[2,4]]]

Output:
0	1.0
2	2.0
1	0.0
3	1.0
4	5.0

> SSP example run with error result
> ---------------------------------
>
>                 Key: GIRAPH-672
>                 URL: https://issues.apache.org/jira/browse/GIRAPH-672
>             Project: Giraph
>          Issue Type: Bug
>          Components: examples
>    Affects Versions: 1.0.0
>            Reporter: Wang Xu
>            Priority: Minor
>
> In ShortestPath example, my input data is :(just edge input data)
> 1\t\3\11
> 1\t\5\12
> I run:
> hadoop jar giraph-examples-1.0.0-for-hadoop-2.0.0-cdh4.1.2-jar-with-dependencies.jar
org.apache.giraph.GiraphRunner org.apache.giraph.examples.SimpleShortestPathsVertex -eif org.apache.giraph.io.formats.LongFloatTextEdgeInputFormat
-of org.apache.giraph.io.formats.IdWithValueTextOutputFormat -eip /shortestPathsInputGraph
-op /output-tmp/sp-37 -w 1 -ca SimpleShortestPathsVertex.sourceId=1 -ca giraph.zkList=dlxa107:2181
> Result is hadoop fs -cat /output-tmp/sp-37/*)
> 5	0.0
> 1	0.0
> 3	0.0
> Then i modify input dataļ¼š(just edge input data)
> 1\t\3\11
> 1\t\5\12
> 3\t\3\0
> 5\t\5\0
> correct output:
> 5	12.0
> 1	0.0
> 3	11.0



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