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https://issues.apache.org/jira/browse/GIRAPH-304?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13438118#comment-13438118
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Eli Reisman commented on GIRAPH-304:
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Turns out we get errors now too (see mailing list posting.) This reliability
work is great because we are sharing a cluster with lots of other MR jobs all
the time. Looks great!
> 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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