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https://issues.apache.org/jira/browse/SPARK-10945?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15156639#comment-15156639
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Robin East commented on SPARK-10945:
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It's not obvious how to reproduce this from the datasets available at the
download site. You mentioned that 'dataset format was converted to edge-list,
no edge weights at all.'. Can you share the code that converts from the
WebGraph format to edge-list? Alternatively can you make the input file
available?
> GraphX computes Pagerank with NaN (with some datasets)
> ------------------------------------------------------
>
> Key: SPARK-10945
> URL: https://issues.apache.org/jira/browse/SPARK-10945
> Project: Spark
> Issue Type: Bug
> Components: GraphX
> Affects Versions: 1.3.0
> Environment: Linux
> Reporter: Khaled Ammar
> Labels: test
>
> Hi,
> I run GraphX in a medium size standalone Spark 1.3.0 installation. The
> pagerank typically works fine, except with one dataset (Twitter:
> http://law.di.unimi.it/webdata/twitter-2010). This is a public dataset that
> is commonly used in research papers.
> I found that many vertices have an NaN values. This is true, even if the
> algorithm run for 1 iteration only.
> Thanks,
> -Khaled
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