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From "Khaled Ammar (JIRA)" <>
Subject [jira] [Commented] (SPARK-10945) GraphX computes Pagerank with NaN (with some datasets)
Date Tue, 06 Oct 2015 14:43:27 GMT


Khaled Ammar commented on SPARK-10945:

Actually, I am not sure. I did not know this is a condition for a dataset.

I will double check, and potentially sort the dataset and get back to you.


> GraphX computes Pagerank with NaN (with some datasets)
> ------------------------------------------------------
>                 Key: SPARK-10945
>                 URL:
>             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:
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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