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https://issues.apache.org/jira/browse/SPARK-27583?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16827606#comment-16827606
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Apache Spark commented on SPARK-27583:
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User 'jmzhoulab' has created a pull request for this issue:
https://github.com/apache/spark/pull/24479

> Optimize strongly connected components
> --------------------------------------
>
>                 Key: SPARK-27583
>                 URL: https://issues.apache.org/jira/browse/SPARK-27583
>             Project: Spark
>          Issue Type: Improvement
>          Components: GraphX
>    Affects Versions: 2.4.2
>            Reporter: jiamuzhou
>            Priority: Major
>         Attachments: image-2019-04-27-20-06-31-587.png
>
>
> Currently, when I use function of strongly connected components in graph 
> (0.1billion vertices and 0.15 billion edges) found that memory storage of 
> RDDs is growing during the iteration, which lead to running very slow or 
> failure of the job.
>  
> !image-2019-04-27-20-06-31-587.png!



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