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https://issues.apache.org/jira/browse/GIRAPH-304?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alessandro Presta updated GIRAPH-304:
-------------------------------------

    Attachment: GIRAPH-304.patch

This sets a TCP backlog equal to the number of workers.
                
> Closed channels between workers
> -------------------------------
>
>                 Key: GIRAPH-304
>                 URL: https://issues.apache.org/jira/browse/GIRAPH-304
>             Project: Giraph
>          Issue Type: Bug
>            Reporter: Alessandro Presta
>            Assignee: Alessandro Presta
>         Attachments: GIRAPH-304.patch
>
>
> With GIRAPH-300 we are able to complete jobs with higher numbers of workers 
> thanks to retrying failed connections. However, we still observe 
> ClosedChannelException with more than a 100 workers.
> The patch also introduces a default TCP backlog of 100, so we should probably 
> set this dynamically to equal the number of workers instead.

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